Crosby t arctic tundra_wk4
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The document describes the tundra biome. It is the coldest biome and located in the Arctic and Antarctic. It is characterized by cold temperatures year-round, a lack of trees, and snow cover for most of the year except for the short, 50-60 day summer. Typical animal life includes arctic foxes, caribou, polar bears, and birds. Vegetation is limited to small plants like willows, lichens, sedges and mosses. The tundra plays an important role in biodiversity, carbon storage, and tracking climate change through monitoring permafrost. Rapid warming threatens the stability of the tundra ecosystem.
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The taiga biome is located in northern regions between 60-75° latitude, spanning parts of Canada, Europe, and Asia. The climate is very cold, below freezing for 6 months of the year. Common animal species include lynx, snowshoe rabbits, elk, and moose. Trees like pine, spruce, and fir have adapted to release toxins that prevent other species from growing. Human activities like logging, mining, and deforestation threaten the fragile taiga ecosystem.
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This document describes the major terrestrial biomes found around the world, including tropical rainforests, temperate deciduous forests, taiga, grasslands, savannas, tundra, and deserts. For each biome, it discusses location, abiotic factors, characteristic plant and animal adaptations, threats, and examples of species found within that biome. The biomes are grouped according to dominant vegetation, precipitation levels, and temperature ranges that create distinct environmental conditions for the plants and animals living in each one.
Envisci 9Envisci 9Envisci 9Envisci 9.pptx
This document describes the major terrestrial biomes found around the world, including tropical rainforests, temperate deciduous forests, taiga, grasslands, savannas, tundra, and deserts. For each biome, it discusses location, abiotic factors, characteristic plant and animal adaptations, threats, and examples of species found within that biome. The biomes are grouped according to dominant vegetation, precipitation levels, and temperature ranges that create distinct environmental conditions for the plants and animals living in each one.
Chapter 19.1: Land Biomes
Grade 8 Integrated Science Chapter 19 Lesson 1 on land biomes. This lesson covers basic characteristics of the 7 major land biomes: deserts, grasslands, temperate deciduous forest, temperate rainforest, tropical rainforest, taiga, and tundra. The objective is that students should be able to recall defining characteristics of each biome and identify a biome by temperature and precipitation.
Terrestrial Biomes
This presentation is all about the Terrestrial Biome..made for Environmental Science Students.This came from different authors which I browsed from the net..Hope this will help=)
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.
Sec 4 chapter 8 the biosphere -slideshare
The document summarizes key concepts about the biosphere, biochemical cycles, biomes, and aquatic biomes. It defines the biosphere as the layer of life around Earth that contains all living things. It describes major biochemical cycles like the carbon, nitrogen, and phosphorus cycles that are essential for life. It then explains the characteristics and examples of different terrestrial biomes like tropical forests, grasslands, and tundra as well as aquatic biomes like lakes, rivers, wetlands, oceans, and coral reefs. Throughout, it emphasizes the interconnectedness of living and nonliving components of ecosystems.
Gen bio unit 3 part 2
This document discusses ecosystems and ecology. It covers topics like abiotic and biotic components, producers and consumers in ecosystems, energy flow and nutrient cycling, trophic levels, biogeochemical cycles, human impacts, conservation biology, causes of species extinction, sustainable development, and alternatives to modern agriculture. Key components include producers using sunlight to produce organic nutrients, consumers obtaining energy and nutrients by eating producers or other consumers, and decomposers recycling nutrients.
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Crosby t arctic tundra_wk4
- 3. The Earth’s coldest and harshest biome Cold and Windy Treeless Region Snow-covered until summer
- 4. 10-20 degrees Fahrenheit Summer is 50 to 60 days Thesun shines 24 hours a day in the summer
- 5. Arctic Foxes Caribou Polar Bears Snow Geese Gray Wolves Musk-Oxen
- 7. Willows Lichens Sedges Mosses Grasses Wildflowers
- 9. Essential for Global Biodiversity • Especially for birds Rapid Plant Growth • Plants photosynthesize 24 hours a day Permafrost Changes • Frozen ground is vital to tracking climate change Earth’s carbon sink • Contains a lot of carbon that would otherwise escape into the atmosphere
- 10. Airborne Pollutants • They need efficient sewage treatment Oil and Gas Development • They need to promote fuel conservation Global Warming • If people don’t help to prevent against global warming the permafrost will melt and the tundra ecosystem will collapse
- 11. Extremely cold climate Large population oscillations Low biotic diversity Limitation of drainage Simple vegetation structure Short season of growth and reproduction Energy and nutrients in the form of dead organic material