Question

Why do all food chains start with plants and have a limited number of tropic levels?

Answer 1

Answer: because they are the producers, they make food and store it in different parts, which is then consumed by other members of the food chain.

Every foodchain starts with plants because they are the only organism that can prepare their own food(autotrophs).They are also called 'producers' in food chain.

Answer 2

hope so it may help u

and it is right