What is a food chain?
Why do animals eat other animals?
Are dogs, cats or any domesticated animals part of a food chain?
Why can’t humans and animals survive without plants?
What are apex predators?
What is DDT and how did it drive the bald eagle almost to extinction?
What place on the food chain is a beaver?
Why do killer whales and leopard seals eat penguins?
What is an herbivore?
Do tigers have any enemies?
What is a predator and why do they exist?
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