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Bookmark or Share- Food chains & food webs (article) | Ecology | Khan AcademyA food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain.
- Apex Predators: 5 Animals at the Top of the Food Chain - Africa Freak“Apex” is a Latin term that means peak or top. Apex predators, also known as alpha predators, are the animals at the top of the food chain and do not have any natural predators in their environment. Apex predators are usually defined in terms of trophic dynamics, meaning they occupy the highest trophic levels.
- Food Chain - National Geographic SocietyThe food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales ( Balaenoptera musculus )—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.
- Where Do Humans Really Rank on the Food Chain?It's a platitude that we've all heard dozens of times, whether to justify our treatment of other species or simply to celebrate a carnivorous lifestyle: humans are the top of the food chain....
- Apex predator - WikipediaAn apex predator, also known as a top predator, is a predator [a] at the top of a food chain, without natural predators of its own. [6] [7] Apex predators are usually defined in terms of trophic dynamics, meaning that they occupy the highest trophic levels.
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