Hot Deserts
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The document summarizes survival adaptations for the human body in the desert. It describes the extreme conditions of the desert including high temperatures, low rainfall, and large daily temperature variations. It discusses how the human body maintains homeostasis through sweating to cool down and drinking water to avoid dehydration. Key adaptations include seeking shade, avoiding alcohol, and replacing lost fluids. The effects of overexposure to heat can cause nausea, dizziness and death. The excretory, integumentary and immune systems are all affected by dehydration in the desert environment. Proper clothing, sun protection and staying hydrated are essential for survival.
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The hot desert region
Location, Climate, Plants life, Human life, Animals life, Occupation of people and Challenges faces by the people.
The Taiga Biome
The taiga biome has long, cold winters and short, cool summers with low precipitation. It is dominated by coniferous trees like spruce, fir, and pine that are adapted to the climate with needle-like leaves and thick bark. Common animal species include bears, wolves, lynx, and birds that have insulating fur or feathers. The taiga stores a large amount of carbon and covers a significant portion of the northern hemisphere.
The Savanna Ecosystem
The document discusses the savanna ecosystem and pressures on the Sahel region of Africa. It describes the distinct wet and dry seasons in savanna climates and how plants and animals adapt. It explains how the movement of the Intertropical Convergence Zone brings seasonal rains and how the Sahel is prone to desertification due to insufficient rainfall and overgrazing of grasslands.
Tundra Biome
The tundra biome is located near the North Pole and covers about 1/5 of the Earth's surface. It is the coldest biome with extreme cold temperatures year-round, a short growing season, and permafrost. There are two main types of tundra - Arctic tundra which surrounds the North Pole and Alpine tundra found at high altitudes worldwide. Tundra has a very simple vegetation structure of mosses, lichens, grasses and small shrubs due to the extreme climate. Large mammals that live in tundra, such as caribou, musk ox and polar bears, have thick fur and migrate south in winter while smaller mammals like arctic
Cold deserts
Cold deserts have little rainfall and low temperatures below 0°C. The two main polar regions that contain cold deserts are the Arctic and Antarctic. Animals that live in cold deserts, like polar foxes, lemmings, and reindeer, have adapted thick fur or fat to help retain heat. Vegetation is also adapted to the extreme climate and consists mainly of algae, lichens, mosses, and dwarf shrubs. Climate change is negatively impacting some cold desert regions as temperatures rise and habitats disappear.
Life in the desert
A desert is defined as a barren land area that receives little precipitation, making conditions inhospitable for most plant and animal life. Deserts cover about one third of the Earth's land and are generally divided into hot and cold categories. Cold deserts are found in places like northern China and the United States, while hot deserts exist between 15-30 degrees north and south of the equator, where sinking air leads to very dry conditions with few clouds. Deserts receive less than 250mm of rain per year and sometimes no rain at all, supporting only sparse vegetation like cacti and shrubs that have adapted to the arid climate.
English p.p.t on desert
The document discusses various aspects of deserts around the world. It describes that deserts are typically located between 5-30 degrees latitude on either side of the equator, and are often found on the western margins of continents. It provides details about the Thar Desert located in India and the climate and lifestyle of people in the Rajasthan region. It also summarizes information about the five largest deserts in the world - Antarctica, Arctic, Sahara, Arabian and Gobi deserts, including their location, size, climate, vegetation and wildlife. Furthermore, it describes some unique plant species found in North American deserts - the Creosote bush, Barrel cactus and Elephant tree.
Life in desert
Deserts are arid regions with little vegetation that are characterized by extreme temperatures. The Sahara desert is the largest hot desert found in North Africa, covering over 8 million square kilometers across 11 countries. Temperatures in the Sahara can exceed 50°C during the day. Nomadic tribes such as the Bedouins and Tuaregs inhabit the Sahara and rely on livestock like camels for their livelihood. Ladakh is a high altitude cold desert in India with harsh winter conditions where people engage in farming during summer and festivals to pass winter months.
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The hot desert region
Location, Climate, Plants life, Human life, Animals life, Occupation of people and Challenges faces by the people.
The Taiga Biome
The taiga biome has long, cold winters and short, cool summers with low precipitation. It is dominated by coniferous trees like spruce, fir, and pine that are adapted to the climate with needle-like leaves and thick bark. Common animal species include bears, wolves, lynx, and birds that have insulating fur or feathers. The taiga stores a large amount of carbon and covers a significant portion of the northern hemisphere.
The Savanna Ecosystem
The document discusses the savanna ecosystem and pressures on the Sahel region of Africa. It describes the distinct wet and dry seasons in savanna climates and how plants and animals adapt. It explains how the movement of the Intertropical Convergence Zone brings seasonal rains and how the Sahel is prone to desertification due to insufficient rainfall and overgrazing of grasslands.
Tundra Biome
The tundra biome is located near the North Pole and covers about 1/5 of the Earth's surface. It is the coldest biome with extreme cold temperatures year-round, a short growing season, and permafrost. There are two main types of tundra - Arctic tundra which surrounds the North Pole and Alpine tundra found at high altitudes worldwide. Tundra has a very simple vegetation structure of mosses, lichens, grasses and small shrubs due to the extreme climate. Large mammals that live in tundra, such as caribou, musk ox and polar bears, have thick fur and migrate south in winter while smaller mammals like arctic
Cold deserts
Cold deserts have little rainfall and low temperatures below 0°C. The two main polar regions that contain cold deserts are the Arctic and Antarctic. Animals that live in cold deserts, like polar foxes, lemmings, and reindeer, have adapted thick fur or fat to help retain heat. Vegetation is also adapted to the extreme climate and consists mainly of algae, lichens, mosses, and dwarf shrubs. Climate change is negatively impacting some cold desert regions as temperatures rise and habitats disappear.
Life in the desert
A desert is defined as a barren land area that receives little precipitation, making conditions inhospitable for most plant and animal life. Deserts cover about one third of the Earth's land and are generally divided into hot and cold categories. Cold deserts are found in places like northern China and the United States, while hot deserts exist between 15-30 degrees north and south of the equator, where sinking air leads to very dry conditions with few clouds. Deserts receive less than 250mm of rain per year and sometimes no rain at all, supporting only sparse vegetation like cacti and shrubs that have adapted to the arid climate.
English p.p.t on desert
The document discusses various aspects of deserts around the world. It describes that deserts are typically located between 5-30 degrees latitude on either side of the equator, and are often found on the western margins of continents. It provides details about the Thar Desert located in India and the climate and lifestyle of people in the Rajasthan region. It also summarizes information about the five largest deserts in the world - Antarctica, Arctic, Sahara, Arabian and Gobi deserts, including their location, size, climate, vegetation and wildlife. Furthermore, it describes some unique plant species found in North American deserts - the Creosote bush, Barrel cactus and Elephant tree.
Life in desert
Deserts are arid regions with little vegetation that are characterized by extreme temperatures. The Sahara desert is the largest hot desert found in North Africa, covering over 8 million square kilometers across 11 countries. Temperatures in the Sahara can exceed 50°C during the day. Nomadic tribes such as the Bedouins and Tuaregs inhabit the Sahara and rely on livestock like camels for their livelihood. Ladakh is a high altitude cold desert in India with harsh winter conditions where people engage in farming during summer and festivals to pass winter months.
Desert
Deserts are dry ecosystems that receive little rainfall and have high temperatures. Plants and animals in deserts have adaptations to survive the harsh conditions like storing water, having waxy coatings, burrowing, and being nocturnal. However, human activities like development, water usage, off-roading, mining, overgrazing, and dumping are negatively impacting desert ecosystems by destroying habitat and reducing populations of native species. Conservation efforts are needed to protect these fragile environments.
Desert Biomes
Slide show describing desert biomes, climate and soil characteristics, plant and animal adaptations as well as human impacts.
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This document summarizes different types of natural vegetation found in India. It discusses flaura and fauna, and provides details on the number of plant and animal species in India. It then describes different types of forests found in India like tropical rainforests, tropical deciduous forests, tropical thorn forests and scrubs, montane forests, and mangrove forests. For each forest type, it lists example plant and animal species found there. It also discusses the importance of trees, wildlife preservation, and the economic value of wild plants and animals.
7_The Desert
Deserts can be hot and dry places with little rainfall, or cold and dry places. While deserts may seem barren, they support a variety of plants and animals that have adapted to the harsh conditions, such as camels that can store water and cacti with thick stems. Deserts experience large swings in temperature from day to night due to the lack of moisture in the air, but also contain oases that allow some vegetation to thrive near water sources.
Sahara desert
The Sahara Desert ecoregion covers an area of 4.6 million square kilometers in the hyper-arid center of the Sahara Desert. It is surrounded by desert ecoregions that receive slightly higher rainfall and have more vegetation. The Sahara Desert is the world's largest subtropical hot desert, located in Northern Africa between the Red Sea and the Atlantic Ocean. It features extremely high temperatures year-round and very low and irregular rainfall, making it one of the hottest and driest places on Earth. The Sahara is home to various wildlife adaptations as well as human populations that have historically relied on nomadic herding and trade routes.
Climate
Climate change is evidenced by rising global temperatures and atmospheric concentrations of greenhouse gases over the last century. Several causes contribute to climate change, with greenhouse gases, chiefly carbon dioxide and methane from human activities like burning fossil fuels and agriculture, accounting for over 90% of current warming. General climate models predict further global temperature increases of 1.4-5.8°C by 2100 depending on emissions scenarios, with effects including more severe droughts that endanger food supply.
Tundra
The tundra biome is characterized by extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. It is separated into Arctic and alpine tundra. Arctic tundra occurs at high latitudes and has cold, desert-like conditions with permafrost and simple vegetation adapted to the harsh climate. Alpine tundra occurs at high elevations with little permafrost and drier, steeper areas. Both have simple plant structures and low diversity due to the severe environmental conditions.
The sahara desert
The Sahara Desert is the largest hot desert in the world, covering an area comparable to the size of China and the United States. It spans portions of 11 countries in North Africa, including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, and Tunisia. Though very hot and dry, the Sahara contains some fertile oases that support plant and animal life, including over 1,200 plant species that have adapted to the harsh desert conditions. Some animals that call the Sahara home include camels, which store fat in their humps; addax antelope, which are now endangered; and the deathstalker scorpion, whose sting can potentially
Sahara desert
The Sahara desert is located in northern Africa, covering around 3.3 million square miles or 25% of the continent. It is inhabited by nomadic tribes like the Taureg who trade goods like gold, ivory and salt. Life is difficult in the desert - food consists mainly of camel milk, dates and porridge. Oases are important as they provide water to communities. The climate is very hot with little rainfall, though seasonal rivers and sand dunes cover much of the landscape. A variety of wildlife has adapted to the harsh conditions.
Climate zones
The document summarizes several different climate zones including Tropical Wet & Dry, Arid, Highlands, Humid Continental, Tropical Wet, Mediterranean, Semi Arid, and Humid Subtropical. It provides information on the location, temperature, precipitation, vegetation, and influences on climate for each zone.
Sahara
The Sahara Desert is the largest hot desert in the world and experiences an extremely harsh climate with little to no rainfall. Wildlife has adapted to the hyperarid conditions through features like sparse vegetation and populations concentrated near oases. Around 2 million people live in the Sahara, some permanently near water sources and some nomadically. The Sahara contains wonders like expansive dune fields, rivers, and ruins of ancient cultures, and is expected to transform from a desert back to a green landscape in approximately 15,000 years.
Sahara desert
The Sahara desert is the world's largest hot desert, located in North Africa. It covers an area of 8.54 million square kilometers and touches 11 countries. The climate is very hot and dry, with high daytime temperatures sometimes reaching 50 degrees Celsius. Vegetation is sparse but includes cacti, date palms, and acacia trees, while animals include camels, hyenas, foxes, and various snakes and lizards. Tribal peoples such as the Bedouins and Tauregs live in the Sahara desert and rely on livestock like goats, sheep and camels for milk, meat, and materials for clothing, shelter, and tools.
Climates of Africa
This document provides information about the climates found in Africa. It discusses that Africa has a variety of climates, including Mediterranean, rainforest, savanna, steppe, and desert climates. Key details are provided about the typical temperatures, precipitation levels, and seasonal patterns associated with each climate type. Students are instructed to take notes on the climates of Africa for an upcoming quiz.
Tundra Biome
The tundra biome is a cold, windy region where tree growth is limited by low temperatures and short growing seasons. It is located near the Arctic and Antarctic circles, and on high altitude mountains worldwide. Plants and animals in the tundra have adaptations like thick fur, camouflage coloring, and compact bodies to withstand the harsh climate. The food web is delicate, with humans as top predators who can disrupt the balance by overhunting. The tundra ecosystem now faces threats from climate change like melting permafrost and pollution.
Desert flora & fauna
Deserts cover about one-fifth of the Earth's surface where rainfall is less than 50 cm per year. There are both hot and cold deserts, with the Sahara being the largest hot desert and Antarctica the largest overall. Desert plants have adaptations like shallow or deep roots to access water from storms or groundwater. Common plants include cacti, while animals include camels, lizards, tortoises, foxes, and snakes.
Mediterranean climate
The Mediterranean climate is characterized by hot, dry summers and wet winters. It occurs in areas surrounding the Mediterranean Sea like parts of California, Western Europe, South Australia, South Africa, Asia, and Chile. The vegetation in these regions, such as evergreen trees, pines, cypress and oaks, must adapt to periods of drought and prolonged winter wetness.
The oceanic climate in England has mild winters and cool summers. Typical vegetation includes temperate forests, swamps, marshes and trees such as oak, elm, beech, ash, pine and birch that are common in British forests.
Sahara class VII
The Sahara desert is the largest hot desert in the world, covering around 8.5 million square kilometers across 11 countries in North Africa. It has an extremely hot and dry climate with some of the highest recorded temperatures on Earth. While the Sahara was once a fertile region, over thousands of years natural forces and human activities have converted it into a largely barren wasteland of sand that is unsuitable for most plant growth except for some hardy species like cacti and acacia. A few oases located among the desert support settled populations that farm dates and engage in herding and trade.
Tundra biomes
The document provides information about the tundra biome. It describes the tundra as having extremely cold temperatures, little precipitation, poor soils, and a short growing season. Plants and animals in the tundra have adapted to these harsh conditions by growing close to the ground, having hairy coverings, and migrating away during winter months. The document contrasts the Arctic and alpine tundra, noting that the Arctic tundra spans northern regions and has permafrost, while alpine tundra occurs at high elevations worldwide.
Desert Introduction
White Sands National Monument in New Mexico, Wadi Dhar in Yemen, and Dead Vleii in the Namib Desert are provided as examples of desert locations. Deserts are defined as areas receiving less than 250mm of annual precipitation, or less than 100mm for extreme deserts. Deserts experience large daily temperature fluctuations. Common desert landforms include hamadas (rock deserts), ergs (sand deserts), stony deserts, playas (dry lake beds), wadis (dry river beds), and bajadas (alluvial fans). Desert vegetation is xerophytic or drought-resistant, with small, twisted leaves and stomata that only open at night. Perenn
Desert biome
Deserts are arid regions that receive very little precipitation. They can be very hot during the day and cold at night, or cold year-round. While conditions are harsh, deserts support a variety of adapted plant and animal life through strategies like succulence in plants and nocturnal behavior in animals. Deserts exist on every continent and cover about one-fifth of the Earth's land surface, ranging from hot, dry expanses to cold, mountainous regions.
Desert Hot and Cold
Hot deserts are located between 30 degrees north and south and have average daytime highs of 38 degrees with nighttime lows of 7 degrees and receive less than 25cm of annual rainfall. Plants have thick stems and deep roots to store water while animals have thick skin or burrow underground to preserve water. Cold deserts receive less than 25cm of annual rainfall and have summer highs between 21-26 degrees and winter lows of -2 to 4 degrees. Plants and animals similarly adapt to the dry, cold conditions by having short statures and burrowing or extending roots underground. The soils in both deserts are salty due to a lack of water washing away minerals.
Classification of Hot Desserts
This document categorizes and describes various types of hot desserts, including egg-based desserts like bread and butter pudding; batter-based desserts such as pear fritters and crepes; pudding souffles like vanilla pudding souffle; suet pastry desserts like steamed jam roly-poly; paste-based desserts like apple strudel; fruit pies, crumbles and charlottes; and rice-based desserts including vanilla rice pudding with rhubarb compote. Recipes and preparation instructions are provided for several examples.
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Desert
Deserts are dry ecosystems that receive little rainfall and have high temperatures. Plants and animals in deserts have adaptations to survive the harsh conditions like storing water, having waxy coatings, burrowing, and being nocturnal. However, human activities like development, water usage, off-roading, mining, overgrazing, and dumping are negatively impacting desert ecosystems by destroying habitat and reducing populations of native species. Conservation efforts are needed to protect these fragile environments.
Desert Biomes
Slide show describing desert biomes, climate and soil characteristics, plant and animal adaptations as well as human impacts.
NATURAL VEGETATION
This document summarizes different types of natural vegetation found in India. It discusses flaura and fauna, and provides details on the number of plant and animal species in India. It then describes different types of forests found in India like tropical rainforests, tropical deciduous forests, tropical thorn forests and scrubs, montane forests, and mangrove forests. For each forest type, it lists example plant and animal species found there. It also discusses the importance of trees, wildlife preservation, and the economic value of wild plants and animals.
7_The Desert
Deserts can be hot and dry places with little rainfall, or cold and dry places. While deserts may seem barren, they support a variety of plants and animals that have adapted to the harsh conditions, such as camels that can store water and cacti with thick stems. Deserts experience large swings in temperature from day to night due to the lack of moisture in the air, but also contain oases that allow some vegetation to thrive near water sources.
Sahara desert
The Sahara Desert ecoregion covers an area of 4.6 million square kilometers in the hyper-arid center of the Sahara Desert. It is surrounded by desert ecoregions that receive slightly higher rainfall and have more vegetation. The Sahara Desert is the world's largest subtropical hot desert, located in Northern Africa between the Red Sea and the Atlantic Ocean. It features extremely high temperatures year-round and very low and irregular rainfall, making it one of the hottest and driest places on Earth. The Sahara is home to various wildlife adaptations as well as human populations that have historically relied on nomadic herding and trade routes.
Climate
Climate change is evidenced by rising global temperatures and atmospheric concentrations of greenhouse gases over the last century. Several causes contribute to climate change, with greenhouse gases, chiefly carbon dioxide and methane from human activities like burning fossil fuels and agriculture, accounting for over 90% of current warming. General climate models predict further global temperature increases of 1.4-5.8°C by 2100 depending on emissions scenarios, with effects including more severe droughts that endanger food supply.
Tundra
The tundra biome is characterized by extremely low temperatures, little precipitation, poor nutrients, and short growing seasons. It is separated into Arctic and alpine tundra. Arctic tundra occurs at high latitudes and has cold, desert-like conditions with permafrost and simple vegetation adapted to the harsh climate. Alpine tundra occurs at high elevations with little permafrost and drier, steeper areas. Both have simple plant structures and low diversity due to the severe environmental conditions.
The sahara desert
The Sahara Desert is the largest hot desert in the world, covering an area comparable to the size of China and the United States. It spans portions of 11 countries in North Africa, including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Sudan, and Tunisia. Though very hot and dry, the Sahara contains some fertile oases that support plant and animal life, including over 1,200 plant species that have adapted to the harsh desert conditions. Some animals that call the Sahara home include camels, which store fat in their humps; addax antelope, which are now endangered; and the deathstalker scorpion, whose sting can potentially
Sahara desert
The Sahara desert is located in northern Africa, covering around 3.3 million square miles or 25% of the continent. It is inhabited by nomadic tribes like the Taureg who trade goods like gold, ivory and salt. Life is difficult in the desert - food consists mainly of camel milk, dates and porridge. Oases are important as they provide water to communities. The climate is very hot with little rainfall, though seasonal rivers and sand dunes cover much of the landscape. A variety of wildlife has adapted to the harsh conditions.
Climate zones
The document summarizes several different climate zones including Tropical Wet & Dry, Arid, Highlands, Humid Continental, Tropical Wet, Mediterranean, Semi Arid, and Humid Subtropical. It provides information on the location, temperature, precipitation, vegetation, and influences on climate for each zone.
Sahara
The Sahara Desert is the largest hot desert in the world and experiences an extremely harsh climate with little to no rainfall. Wildlife has adapted to the hyperarid conditions through features like sparse vegetation and populations concentrated near oases. Around 2 million people live in the Sahara, some permanently near water sources and some nomadically. The Sahara contains wonders like expansive dune fields, rivers, and ruins of ancient cultures, and is expected to transform from a desert back to a green landscape in approximately 15,000 years.
Sahara desert
The Sahara desert is the world's largest hot desert, located in North Africa. It covers an area of 8.54 million square kilometers and touches 11 countries. The climate is very hot and dry, with high daytime temperatures sometimes reaching 50 degrees Celsius. Vegetation is sparse but includes cacti, date palms, and acacia trees, while animals include camels, hyenas, foxes, and various snakes and lizards. Tribal peoples such as the Bedouins and Tauregs live in the Sahara desert and rely on livestock like goats, sheep and camels for milk, meat, and materials for clothing, shelter, and tools.
Climates of Africa
This document provides information about the climates found in Africa. It discusses that Africa has a variety of climates, including Mediterranean, rainforest, savanna, steppe, and desert climates. Key details are provided about the typical temperatures, precipitation levels, and seasonal patterns associated with each climate type. Students are instructed to take notes on the climates of Africa for an upcoming quiz.
Tundra Biome
The tundra biome is a cold, windy region where tree growth is limited by low temperatures and short growing seasons. It is located near the Arctic and Antarctic circles, and on high altitude mountains worldwide. Plants and animals in the tundra have adaptations like thick fur, camouflage coloring, and compact bodies to withstand the harsh climate. The food web is delicate, with humans as top predators who can disrupt the balance by overhunting. The tundra ecosystem now faces threats from climate change like melting permafrost and pollution.
Desert flora & fauna
Deserts cover about one-fifth of the Earth's surface where rainfall is less than 50 cm per year. There are both hot and cold deserts, with the Sahara being the largest hot desert and Antarctica the largest overall. Desert plants have adaptations like shallow or deep roots to access water from storms or groundwater. Common plants include cacti, while animals include camels, lizards, tortoises, foxes, and snakes.
Mediterranean climate
The Mediterranean climate is characterized by hot, dry summers and wet winters. It occurs in areas surrounding the Mediterranean Sea like parts of California, Western Europe, South Australia, South Africa, Asia, and Chile. The vegetation in these regions, such as evergreen trees, pines, cypress and oaks, must adapt to periods of drought and prolonged winter wetness.
The oceanic climate in England has mild winters and cool summers. Typical vegetation includes temperate forests, swamps, marshes and trees such as oak, elm, beech, ash, pine and birch that are common in British forests.
Sahara class VII
The Sahara desert is the largest hot desert in the world, covering around 8.5 million square kilometers across 11 countries in North Africa. It has an extremely hot and dry climate with some of the highest recorded temperatures on Earth. While the Sahara was once a fertile region, over thousands of years natural forces and human activities have converted it into a largely barren wasteland of sand that is unsuitable for most plant growth except for some hardy species like cacti and acacia. A few oases located among the desert support settled populations that farm dates and engage in herding and trade.
Tundra biomes
The document provides information about the tundra biome. It describes the tundra as having extremely cold temperatures, little precipitation, poor soils, and a short growing season. Plants and animals in the tundra have adapted to these harsh conditions by growing close to the ground, having hairy coverings, and migrating away during winter months. The document contrasts the Arctic and alpine tundra, noting that the Arctic tundra spans northern regions and has permafrost, while alpine tundra occurs at high elevations worldwide.
Desert Introduction
White Sands National Monument in New Mexico, Wadi Dhar in Yemen, and Dead Vleii in the Namib Desert are provided as examples of desert locations. Deserts are defined as areas receiving less than 250mm of annual precipitation, or less than 100mm for extreme deserts. Deserts experience large daily temperature fluctuations. Common desert landforms include hamadas (rock deserts), ergs (sand deserts), stony deserts, playas (dry lake beds), wadis (dry river beds), and bajadas (alluvial fans). Desert vegetation is xerophytic or drought-resistant, with small, twisted leaves and stomata that only open at night. Perenn
Desert biome
Deserts are arid regions that receive very little precipitation. They can be very hot during the day and cold at night, or cold year-round. While conditions are harsh, deserts support a variety of adapted plant and animal life through strategies like succulence in plants and nocturnal behavior in animals. Deserts exist on every continent and cover about one-fifth of the Earth's land surface, ranging from hot, dry expanses to cold, mountainous regions.
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Desert Hot and Cold
Hot deserts are located between 30 degrees north and south and have average daytime highs of 38 degrees with nighttime lows of 7 degrees and receive less than 25cm of annual rainfall. Plants have thick stems and deep roots to store water while animals have thick skin or burrow underground to preserve water. Cold deserts receive less than 25cm of annual rainfall and have summer highs between 21-26 degrees and winter lows of -2 to 4 degrees. Plants and animals similarly adapt to the dry, cold conditions by having short statures and burrowing or extending roots underground. The soils in both deserts are salty due to a lack of water washing away minerals.
Classification of Hot Desserts
This document categorizes and describes various types of hot desserts, including egg-based desserts like bread and butter pudding; batter-based desserts such as pear fritters and crepes; pudding souffles like vanilla pudding souffle; suet pastry desserts like steamed jam roly-poly; paste-based desserts like apple strudel; fruit pies, crumbles and charlottes; and rice-based desserts including vanilla rice pudding with rhubarb compote. Recipes and preparation instructions are provided for several examples.
Hot and cold deserts
This Presentation educates the topic of Hot and Cold Deserts, that are, Sahara and Ladakh Deserts; which are an important part of the World.
Desert ecosystem
i. A biome is a geographic area characterized by specific kinds of plants and animals, with deserts being one type of biome.
ii. Deserts have hot climates with less than 25 cm of annual precipitation and daily temperature extremes.
iii. Many desert plants and animals have adapted to their environment through mechanisms like storing water and nocturnal behavior.
Drinks and desserts
This document summarizes drinks and desserts that originated in the Southern United States. It notes that soft drinks like Coca-Cola, Dr Pepper, and Mountain Dew were created in Southern states in the late 19th century. Sweet tea, made by adding sugar to hot black tea, is highlighted as a traditional Southern beverage. Bourbon whiskey production is also discussed as traditional to Kentucky. Pecan pie is described as a Thanksgiving dessert that originated from pecans grown in states like Louisiana and Texas. Mississippi Mud Pie and Sweet Potato Pie are also summarized as traditional Southern desserts.
Atacama Desert
The three bodily systems most affected by the Atacama Desert are the integumentary, nervous, and cardiovascular systems. The integumentary system works to cool the body through sweating but this leads to dehydration if water is not replaced. The nervous system is impacted by dehydration which affects brain function. The cardiovascular system distributes nutrients but cannot do so in the desert environment without adequate food and water, which can lead to organ failure and death. Humans can only endure temperatures up to 108 degrees Fahrenheit before death occurs from heat stroke as the body is unable to regulate temperature in the extreme desert heat.
Life, fire and water in the Atacama. The driest desert in the world
A photo essay spanning some 25 years of occasional shooting in the world's driest desert, Atacama, in the Chilean north.
Surprisingly, water is quite abundant in select places, and so is wild life.
Humans have also been living here for many centuries and done quite well.
The local Lican Antai people have exclusive water rights and distribute it between family groups or so-called Ayllú, often using channel systems that date back to pre-colonial times.
However, today, big mining and tourism suck up underground water like the proverbial sponge and one day soon the show may end, for both the locals and wild life.
The mining companies, on the other hand, will still be here, even in the absence of virtually free water.
They will pump it up from 50-million dollar desalinization plants on the coast, money they made by ripping off the desert - and the local people - in the first place.
Desert
Deserts are defined as areas that receive less than 25cm of precipitation per year. They are characterized by high temperatures, low rainfall, and climatic factors such as high pressure systems, cold ocean currents, and mountain ranges that create rain shadows. Plants and animals in deserts have adapted to survive the harsh conditions through mechanisms like storing water, long roots, short lifecycles, burrowing, nocturnal behavior, and hibernation. Camels are an example of a desert-adapted species.
plants found in thar desert
This document lists the local, English, and scientific names as well as family names of 20 plant species found in the region. It provides basic botanical information for each plant, including the local name used in the area, the English name, the scientific name which uses Latin nomenclature, and the plant family. Some of the plants listed include Neem, Mesquite, Acacia senegal, Caper, Apple of Sodom, Gum arabica, Calligonum polygonoides, Milk Hedge, Prosopis cineraria, Castor, Jujube, Desert teak, Mustard tree, Mukul myrrh tree, Snow Bush, Broom Brush,
Life style of people living in Desert
This presentation is about the life style of people living in the desert, what sort of activities they have and what do they do for recreation and fun.
Thar desert
The Thar Desert spans parts of India and Pakistan, covering an area of over 2,000,000 square kilometers. It is the world's 9th largest subtropical desert. The desert experiences low and irregular rainfall between 100-500 mm annually, and is prone to wind erosion. Several measures have been taken to control desertification, such as erecting barriers to stabilize sand dunes and bringing fresh water to the region via the Indira Gandhi Canal. Despite harsh conditions, the Thar Desert supports a diverse array of plant and animal species and is home to over 23 million people, making it the most densely populated desert in the world. The dominant occupation in the region involves agriculture and animal husbandry.
DESSERTS
This document provides information about producing hot and cold desserts and puddings for a Diploma unit. It covers outcomes related to preparing, cooking, finishing, and storing both hot and cold desserts. The document then discusses types of desserts like ice cream, mousses, egg-based desserts, and provides recipes for items like vanilla ice cream, vanilla mousse, and panna cotta.
Thar desert
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Ppt on deserts and animals
A great powerpoint presentation on the desert and animals who lives their in critical conditions ......
This ppt is full of animations please just don't see this first download this then open this in your pc /laptop then u got to know about this full of animation ppt ......
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Life, fire and water in the Atacama. The driest desert in the world
Life, fire and water in the Atacama. The driest desert in the world
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Desert Power Point
There are two main types of deserts: sub-deserts which receive 4-16 inches of rain annually and support more vegetation, and hyperarid true deserts which receive less than 4 inches of rain per year and support very little vegetation. Temperatures in deserts experience large daily extremes due to lack of humidity, with average highs of 20-25°C but extreme highs over 40°C. Desert soils are shallow, rocky, and well-draining. Vegetation includes small, thick-leaved shrubs and cacti that conserve water. In extreme heat, the human body can suffer heat stroke, exhaustion, or cramps if unable to regulate temperature through sweating. Fact
Sahara Desert
The Sahara Desert has very harsh environmental conditions for life. Temperatures range from 20 to 45 degrees Celsius, and the ground can become blazing hot from the sun's direct rays. Most animal life is small, nocturnal carnivores or insects. Humans have adapted to the desert by developing dark skin to shield from the sun and tall bodies to minimize water needs. They maintain stable temperatures through sweating but must replace lost fluids to avoid dehydration, which can impact bodily systems. Loose, light clothing and head coverings help humans cope with the desert heat.
Sahara Desert
The Sahara Desert has very harsh environmental conditions for life. Temperatures range from 20 to 45 degrees Celsius, and the ground can become blazing hot from the sun's direct rays. Most animal life is small, nocturnal carnivores or insects. Humans have adapted to the desert by developing dark skin to shield from radiation, tall bodies to minimize water needs, and technologies like irrigation. To survive the desert heat, loose, flowing clothing that allows air flow and sweat evaporation is crucial, as well as head coverings and staying hydrated with water.
Arabian Desert
The Arabian Desert is located on the Arabian Peninsula and is one of the largest desert ecoregions in the world. It stretches across parts of Yemen, Oman, Jordan, Iraq, and the Arabian Gulf. With an area over 500,000 square kilometers, it experiences long periods without rain and daily temperatures that range from 120C in winter to over 470C in summer. People living in the desert have physical and behavioral adaptations to conserve water and regulate body temperature, such as having a thin body type, protective skin pigmentation, and avoiding midday heat through shade or rest.
Safety In The Tropical North
Dehydration occurs when the body loses more water than it takes in, causing the water level in the body to drop below normal levels. Signs of dehydration include feeling dizzy, having a dry mouth, and producing darker, less urine. When in the Tropical North, it is important to stay hydrated due to the extreme weather and take precautions with water from streams or lakes, which can be contaminated and cause diarrhea. The sun can also be dangerous even on cloudy days, so wear protective clothing and sunscreen, and be careful of fires as conditions may be extremely dry.
Extreme Environments
The document discusses the extreme environmental conditions of the Sahara Desert and how the human body can survive there. It describes the temperatures, lack of water and vegetation in the desert. It explains that humans can survive for a few days without water, and that nomadic people live in the desert by saving energy for cooler times of day. It also summarizes the effects of dehydration on organ systems and natural adaptations the body uses to cool itself in the heat, like sweating.
Wet Tropics
The document discusses homeostasis and how the human body maintains internal equilibrium in the wet tropics climate. It notes that the wet tropics have high humidity and temperatures between 80-90 degrees F during the wet season from November to March. At night, temperatures fall to the low 60s. The body uses several mechanisms to maintain its core temperature, like sweating and shivering. If a person is exposed to extreme heat for too long without water, it can lead to heat cramps, exhaustion, or stroke with core body temperatures over 103 degrees F. Key organ systems like the integumentary, nervous, and circulatory systems help the body regulate temperature in the wet tropical environment.
Extreme Deserts Final
Homeostasis, or the maintenance of stable internal conditions, is crucial for human survival in extreme desert environments like Death Valley. When temperatures rise far above 100 degrees Fahrenheit, as they regularly do in Death Valley, the body engages various physiological and behavioral adaptations to keep its internal temperature regulated, such as sweating, slowing activity levels, and seeking shade. Prolonged exposure to the desert heat without proper precautions can overwhelm these adaptations and potentially lead to hyperthermia, organ failure, and even death. People must stay well-hydrated by drinking water, dress appropriately in light, loose layers, and avoid strenuous activity during the hottest parts of the day to maintain homeostasis in these extreme conditions.
Extreme Deserts Final
Homeostasis, or the maintenance of stable internal conditions, is crucial for human survival in extreme desert environments like Death Valley. When temperatures rise far above 100 degrees Fahrenheit, as they regularly do in Death Valley, the body engages various physiological and behavioral adaptations to keep its internal temperature regulated, such as sweating, slowing activity levels, and seeking shade. Prolonged exposure to the desert heat without properly hydrating, dressing appropriately, and avoiding strenuous activity can overwhelm these adaptations and potentially lead to hyperthermia, heat exhaustion, or even heat stroke.
What You Need to Know for Cold weather Preparation and Survival
Having served in the Special Forces Group with a focus on cold weather and mountain operations, I have a special affinity for not being cold. Cold can kill in different ways and its best to be knowledgable and prepared. Here is some useful information on what to wear, how to avoid and deal with cold weather injuries and more.
What You Need to Know for Cold weather Preparation and Survival
This document provides information and guidance on cold weather preparation and survival. It discusses the dangers of cold, such as hypothermia and frostbite, and emphasizes the importance of proper clothing layers, staying dry, avoiding overheating, and drinking water to prevent dehydration. The key principles of shelter, food/water storage, and weapons care when operating in cold weather are also covered. Proper clothing includes inner, middle and outer moisture-wicking layers, with emphasis on keeping the head, hands and feet protected from heat loss.
What You Need to Know for Cold weather Preparation and Survival
Having served in the Special Forces Group with a focus on cold weather and mountain operations, I have a special affinity for not being cold. Cold can kill in different ways and its best to be knowledgable and prepared. Here is some useful information on what to wear, how to avoid and deal with cold weather injuries and more.
What You Need to Know for Cold weather Preparation and Survival
Having served in the Special Forces Group with a focus on cold weather and mountain operations, I have a special affinity for not being cold. Cold can kill in different ways and its best to be knowledgable and prepared. Here is some useful information on what to wear, how to avoid and deal with cold weather injuries and more.
Wet Tropics
The wet tropics have extremely hot and humid conditions, with temperatures ranging from 26 to 32 degrees Celsius. It receives around 150 inches of rainfall per year, mostly during rainy seasons and summers. The high heat and humidity can cause dehydration and negatively impact the central nervous, circulatory, and respiratory systems. To survive, one should find shade, build shelters, drink plenty of boiled water, cover exposed skin, and wear loose, light clothing along with hiking boots and insect repellent. Proper equipment like a backpack, knife, water bottles and first aid kit are also important.
EFFECTS OF HEAT STRESS-HEAT STROKE, HEAT EXHAUSTION
Heat stress is the burden or load of heat that must be dissipated if the body is to remain in thermal equilibrium. The factors which influence heat stress are metabolic rate, air temperature, humidity, air movement and radiant temperature.
Lesson plan wild survival
The document outlines the requirements for earning a wilderness survival merit badge, including:
1) Discussing first aid for injuries and illnesses in the backcountry like hypothermia, heat reactions, frostbite, etc.
2) Explaining the seven priorities for survival and ways to avoid panic when lost.
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Hot Weather Preparation, Survival and Injuries
Hot weather can cause many problems. The first issue is staying properly hydrated and what that means. We also need to understand various heat injuries such as heat stroke. One cal also over-hydrate. Here is all you need to know.
The Atacama Desert
The three bodily systems most affected by the Atacama Desert are the integumentary, nervous, and cardiovascular systems. The integumentary system works to cool the body through sweating but this leads to dehydration if water is not replaced. The nervous system is impacted by dehydration which affects brain function. The cardiovascular system distributes nutrients but cannot do so in the desert environment without adequate food and water, which can lead to organ failure and death. Humans can only endure temperatures up to 108 degrees Fahrenheit before death from heat stroke occurs. The body adapts through behaviors like sleeping during the day and physiological responses like sweating and vasodilation to dissipate heat.
Hot Weather Preparation and Survival
Hot weather can cause many problems. It's also a leading cause of death. The first issue is staying properly hydrated and what that means. We also need to understand various heat injuries such as heat stroke. One cal also over-hydrate. Here is all you need to know.
Desert Powerpoint
The document summarizes key aspects of the desert biome and human adaptations for survival. It notes that deserts have little rain, high temperatures, and wind. The human body tries to regulate its temperature through sweating, which can cause significant water loss. To survive, humans must replace lost water or risk dehydration and death. The body also conserves water through hormones and limiting urine production. Key body systems like the nervous, excretory, and muscular systems are impacted by the extreme heat and lack of water in the desert environment. The document recommends wearing loose, breathable clothing and sunglasses for protection in desert conditions.
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Hot Deserts
- 1. Survival & Necessary Adaptations for the Human Body in the Desert By Maura Ashe