Q: Most food chains and webs have a maximum of how many trophic levels?


Read this paragraph and choose the correct option from the provided answers:

A trophic level is a feeding position in a food chain or food web. Most food chains and webs have a maximum of four trophic levels. There is less energy and biomass at higher trophic levels.

 Choices:

- 3

- 10

- 6

- 4


A:
4