What is a food chain?
Why do animals eat other animals?
What are apex predators?
Does all the energy in the food chain originally come from plants?
How is an ecosystem balanced?
Why can’t humans and animals survive without plants?
What is an invasive species?
Why is photosynthesis important?
What is a predator and why do they exist?
Can you tell me about the snakehead fish and its impact as an invasive species?
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