Food chain
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A food chain is a linear sequence of organisms in a food web where each organism transfers energy by being eaten. Producers, like plants, are the first links as they get energy from the sun. Herbivores eat producers. Carnivores eat herbivores or other carnivores. Omnivores eat both plants and animals. Detrivores and decomposers break down dead organisms, recycling nutrients. If one link is removed, it affects the entire food chain.
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Food chain
This document provides information about food chains. It begins by defining a food chain as a sequence of organisms through which energy flows as each organism obtains energy from the one below it in the chain. Producers, such as plants, are at the bottom of the food chain as they can produce their own food. Herbivores, as primary consumers, eat the producers. Carnivores eat herbivores or other carnivores. Omnivores both eat plants and other animals. Decomposers, like fungi and bacteria, break down waste and dead organisms, recycling nutrients in the ecosystem. The document includes examples of food chains and defines the roles of producers, consumers, and decomposers. It also
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The document discusses the three categories in a food chain: producers, consumers, and decomposers. Producers, like plants, obtain energy from sunlight through photosynthesis. Consumers, like animals, eat producers or other consumers to obtain energy and include carnivores, herbivores, and omnivores. Decomposers, like mushrooms and worms, break down dead organisms and waste and return nutrients to the soil. All categories are interdependent in the food chain.
Food chains
Plants harness energy from the sun through photosynthesis and are called producers. Many animals eat plants as vegetarians and are primary consumers. Carnivores and omnivores that eat these primary consumers are secondary consumers. A basic food chain has producers (plants), primary consumers (herbivores that eat plants), and secondary consumers (carnivores that eat primary consumers).
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hi, I am sujon I just completed graduate at International University of Business Agriculture and Technology in Bangladesh Department of Mechanical Engineering
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Plants harness energy from the sun through photosynthesis and are called producers. Many animals eat plants as vegetarians and are primary consumers. Carnivores and omnivores that eat these primary consumers are secondary consumers. A basic food chain has producers (plants), primary consumers (herbivores that eat plants), and secondary consumers (carnivores that eat primary consumers).
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A food chain shows how energy passes between organisms in an ecosystem. Plants are primary producers that create their own food through photosynthesis. Herbivores eat plants as primary consumers. Carnivores eat herbivores or other carnivores. Omnivores eat both plants and animals. Detritivores break down dead organic matter. A food web shows the complex network of interconnected food chains within an ecosystem.
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Food Chains and Food Webs (by: NPMendez)
This document discusses food chains and food webs. It defines key terms like producers, consumers, trophic levels, prey and predators. Producers include plants and chemotrophs that can produce their own food. There are different types of consumers like herbivores, carnivores, omnivores, and decomposers. Food chains show a simple, direct flow of energy between trophic levels with one organism per level. Food webs are more complex networks that involve multiple organisms and overlapping food chains.
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The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales—needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem.
For example, grass produces its own food from sunlight. A rabbit eats the grass. A fox eats the rabbit. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass.
Of course, many different animals eat grass, and rabbits can eat other plants besides grass. Foxes, in turn, can eat many types of animals and plants. Each of these living things can be a part of multiple food chains. All of the interconnected and overlapping food chains in an ecosystem make up a food web.
Trophic Levels
Organisms in food chains are grouped into categories called trophic levels. Roughly speaking, these levels are divided into producers (first trophic level), consumers (second, third, and fourth trophic levels), and decomposers.
Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms. Nearly all autotrophs use a process called photosynthesis to create “food” (a nutrient called glucose) from sunlight, carbon dioxide, and water.
Plants are the most familiar type of autotroph, but there are many other kinds. Algae, whose larger forms are known as seaweed, are autotrophic. Phytoplankton, tiny organisms that live in the ocean, are also autotrophs. Some types of bacteria are autotrophs. For example, bacteria living in active volcanoes use sulfur compounds to produce their own food. This process is called chemosynthesis.
The second trophic level consists of organisms that eat the producers. These are called primary consumers, or herbivores. Deer, turtles, and many types of birds are herbivores. Secondary consumers eat the herbivores. Tertiary consumers eat the secondary consumers. There may be more levels of consumers before a chain finally reaches its top predator. Top predators, also called apex predators, eat other consumers.
Consumers can be carnivores (animals that eat other animals) or omnivores (animals that eat both plants and animals). Omnivores, like people, consume many types of foods. People eat plants, such as vegetables and fruits. We also eat animals and animal products, such as meat, milk, and eggs. We eat fungi, such as mushrooms. We also eat algae, in edible seaweeds like nori (used to wrap sushi rolls) and sea lettuce (used in salads).
Detritivores and decomposers are the final part of food chains. Detritivores are organisms that eat nonliving plant and animal remains. For example, scavengers such as vultures eat dead animals. Dung beetles eat animal feces.
Decomposers like fungi and bacteria complete the food chain. They turn organic wastes, such as decaying plants, into inorganic materials, such as nutrient-rich soil. Decomposers complete the cycle
4.food_chains_and_food_webs ste 7.pptx
Here are 3 potential impacts if grasshoppers disappeared from the area:
1. The vole population would decrease. Without grasshoppers as a food source, voles would have less available food and their population would decline over time.
2. The frog and snake populations would decrease. With fewer voles due to the lack of grasshoppers, the frog and snake populations that rely on voles as a food source would have reduced availability of prey. Their numbers would fall as a result.
3. Other animals higher up in the food chain like hawks and owls would be indirectly impacted. With declining frog and snake populations due to fewer voles, these top predators would have reduced populations of smaller animals to prey
Types of organisms
There are three main types of organisms: producers, consumers, and decomposers. Producers like plants can produce their own food through photosynthesis. Consumers like animals obtain energy by consuming other organisms. Decomposers such as bacteria and fungi break down dead organic matter and cycle nutrients in the environment. Together these three groups participate in complex food webs that sustain life.
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This document discusses predation in marine ecosystems. It begins by defining predation and predator-prey relationships. It then lists 15 top ocean predators, including orcas, walruses, great white sharks, and polar bears. The document outlines different types of predation like carnivory, herbivory, and parasitism. It explains the importance of predation for energy transfer and population control. Food webs are discussed as networks of interconnected food chains that transfer energy from producers to various consumer levels. Different species interactions like mutualism, commensalism, and parasitism are also summarized.
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Middle school slide show for ecology unit. Sun as source of energy. Producers, consumers, decomposers, trophic levels. Loss of available energy from trophic level to trophic level.
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The food chain shows how organisms transfer energy by consuming other organisms. Producers like plants use photosynthesis to convert sunlight into chemical energy. Primary consumers eat producers, secondary consumers eat primary consumers, and tertiary consumers eat secondary consumers. All organisms eventually die and are decomposed by decomposers, recycling nutrients and completing the food chain. Disruptions to the food chain can impact populations if a food source disappears due to overhunting or overfishing.
Forest.pptx
This document discusses food chains and food webs. It defines a food chain as a linear sequence showing how nutrients and energy are transferred between organisms, beginning with producers and ending with decomposers. Food chains can be grazing chains that start with plants or detritus chains that start with dead organic material. Multiple interconnected food chains form a more complex food web. The food web shows a more accurate representation of the flow of energy between trophic levels in an ecosystem.
Food chain
The food chain is a linear sequence of organisms where nutrients and energy are transferred from one organism to another as they are consumed. It begins with producer organisms like plants, then primary and secondary consumers that eat the producers, and ends with decomposer organisms like bacteria that break down waste. A food chain explains the feeding relationships between organisms at different trophic levels in an ecosystem. Multiple interconnected food chains form a more complex food web that better represents the flow of energy and interactions between species in an environment.
Food Chains & Webs
The document discusses food chains and trophic levels within ecosystems. It defines producers as autotrophs that create their own food through photosynthesis, such as grass. Primary consumers or herbivores, such as rabbits, eat the producers. Secondary consumers or carnivores, such as hawks, consume the primary consumers. Decomposers like bacteria break down dead organisms and cycle nutrients in the ecosystem. Most natural food chains interact forming complex food webs.
FOOD CHAINS UNIT 3 YEAR 3
Food chains show how organisms within an ecosystem rely on each other for energy and nutrients. Plants are producers as they produce their own food through photosynthesis. Herbivores consume plants and carnivores consume herbivores or other carnivores. Lions are an example of an apex predator, occupying the top of some terrestrial food chains, as no other animals prey on them. Disruptions anywhere in a food chain can impact the entire ecosystem.
Food Chains & Webs
The document discusses food chains and trophic levels within ecosystems. It defines producers as autotrophs that create their own food through photosynthesis, such as grass. Primary consumers or herbivores, such as rabbits, eat the producers. Secondary consumers or carnivores, like hawks, consume the primary consumers. Decomposers such as bacteria break down dead organisms and cycle nutrients in the ecosystem. Most food chains interact forming complex food webs.
Food Chains & Webs
The document discusses food chains and trophic levels within ecosystems. It defines producers as autotrophs that generate energy through photosynthesis, such as grass. Herbivores, or primary consumers, eat producers. Carnivores, or secondary consumers, consume herbivores or other carnivores. Decomposers, like bacteria, break down dead organisms and cycle nutrients in the ecosystem. A food chain example is provided of the sun providing energy to grass, which is eaten by a grasshopper, then a toad, snake, and hawk. Most ecosystems contain many interconnected food chains that form food webs.
Kingdom Protista by BNP
Protists are eukaryotic, primarily unicellular organisms that are not classified as plants, animals, fungi, or bacteria. They contain membrane-bound organelles and can be photoautotrophs like plants, saprotrophs like fungi, or heterotrophs like animals. Protists are classified based on their method of obtaining nutrition, and include protozoans, algae, and fungus-like protists. While some protists are harmful parasites or can cause harmful algal blooms, many are beneficial as they recycle nutrients, are a food source for other organisms, produce oxygen, and make contributions such as agar and food products.
CHMSC Lab. Sch. Sci. 6 Food Chain
The document discusses food chains and the different types of organisms within them. It explains that food chains begin with producers, which are plants that can produce their own food through photosynthesis. Producers are then eaten by consumers like herbivores, carnivores and omnivores. Consumers can be primary or secondary depending on their place in the food chain. Scavengers feed on dead organisms, and decomposers like bacteria and fungi break down tissues of dead organisms.
Chapter - 1, Nutrition in Plants, Science, Class 7
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Chapter 1 - Nutrition in Plants, Science, Class 7
INTRODUCTION
NUTRIENTS
MODE OF NUTRITION
CELLS IN LIVING ORGANISMS
SINGLE AND MULTI - CELLULAR ORGANISMS
HOW DO PLANTS PREPARE THEIR FOOD?
PROCESS OF PHOTOSYNTHESIS
ULTIMATE SOURCE OF ENERGY FOR ALL LIVING ORGANISMS
HOW DO PLANTS GENERATE PROTEINS AND FATS
OTHER MODES OF NUTRITION
PARASITIC MODE OF NUTRITION
INSECTIVOROUS MODE OF NUTRITION
SAPROPHYTIC MODE OF NUTRITION
SYMBIOTIC MODE OF NUTRITION
REPLENISHING THE SOIL WITH NUTRIENTS
Every topic of this chapter is well written concisely and visuals will help you in understanding and imagining the practicality of all the topics.
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This document discusses ecosystems and how living and non-living things interact within them. It defines key terms like producers, consumers, decomposers, food chains, and food webs. Producers (plants) produce their own food, consumers (animals) eat other organisms, and decomposers (fungi, bacteria) break down dead organisms, recycling nutrients. Food chains show energy transfer between organisms, while complex food webs connect multiple chains in an ecosystem. All organisms depend on each other for survival.
How do living things interact
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This document discusses different types of nutrition in plants and animals. It explains that plants obtain nutrients from the soil, air and sunlight through photosynthesis. It describes autotrophic and heterotrophic plants. It also discusses the different systems involved in transporting water and nutrients in plants. The document then explains the different types of nutrition in animals including holozoic, saprozoic and parasitic nutrition. It provides examples of herbivores, carnivores, omnivores, scavengers and decomposers.
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Food chain
- 2. 2 What is a Food Chain?
- 3. 3 A Food Chain is a linear sequence of links in a food web starting from species that are called producers and ends at species that are called decomposers.
- 4. 4 An Example of a Food Chain
- 5. FFoooodd CChhaaiinn VVSS 5 FFoooodd WWeebb
- 6. Food Chain follows a single path as animals eat each other while Food Web shows how plants & animals are interconnected by different paths. 6
- 7. 7 Animals and plants aarree lliinnkkeedd bbyy ffoooodd cchhaaiinnss…….... AAnniimmaallss ggeett eenneerrggyy aanndd nnuuttrriieennttss bbyy eeaattiinngg ootthheerr aanniimmaallss oorr ppllaannttss.. FFoorr eexxaammppllee,, ccaatteerrppiillllaarrss eeaattss lleeaavveess;; ssmmaallll bbiirrddss eeaatt ccaatteerrppiillllaarrss;; oowwllss eeaatt ssmmaallll bbiirrddss;; eeaagglleess eeaatt oowwllss.. TThheessee lliinnkkss bbeettwweeeenn aanniimmaallss aanndd ppllaannttss aarree ccaalllleedd ffoooodd cchhaaiinnss.. NNeeaarrllyy aallll ffoooodd cchhaaiinnss ssttaarrtt wwiitthh aa ggrreeeenn ppllaanntt.. IIff oonnee ppaarrtt ooff aa ffoooodd cchhaaiinn aalltteerrss,, tthhee wwhhoollee ffoooodd cchhaaiinn iiss aaffffeecctteedd.. FFoorr eexxaammppllee,, iiff aa ddiisseeaassee ssuuddddeennllyy wwiippeedd oouutt ccaatteerrppiillllaarrss,, iitt wwoouulldd aaffffeecctt oowwllss,, eeaagglleess aanndd mmaannyy ootthheerr aanniimmaallss..
- 8. 8 Components of a Food Chain
- 9. 9 Producers Are organisms that make their own food from a primary source such as sunlight. They are often called autotrophs or primary producers. They are at the start of a food chain. PPrroodduucceerr
- 10. 10 Herbivores Herbivores or Primary Consumers are animals that only eat plants.
- 11. 11 Carnivores Carnivores or Secondary Consumers are animals that eat meat. Carnivores will also eat animals that eat plants.
- 12. 12 Omnivores Omnivores will eat both plants and animals. People are omnivores.
- 13. 13 Tertiary Consumers Eat Secondary Consumers
- 14. 14 Top Predators Animals that have little or no natural enemies.
- 15. 15 Detrivores and Decomposers When any organism dies, it is eventually eaten by detrivores like: Vulture Worms Crab
- 16. 16 Detrivores and Decomposers When any organism dies, it is eventually eaten by detrivores like: Vulture Worms Crab
- 17. 17 Detrivores and Decomposers Organism eaten by detrivores is broken down by decomposers like bacteria and fungi.
- 18. 18 Note: When one species goes extinct, it can affect an entire chain of other species and have unpredictable consequences.
- 19. 19