Question

What are trophic levels ? Explain why a food should consist of 3-4 trophic levels.​

Answer 1

The amount of energy available to the next trophic level is very minimal.So there are only 4-5 trophic levels

Answer 2

Trophic levels are steps of the food chain

Trophic levels go in this order:

1. Plants (producer)
2. primary consumer (Eg: cow )
3. secondary consumer (Eg; fox)
4. tertiary consumer ( Eg: lion or humans )

• a food chain must consist of 3 to 4 trophic levels because there is a great deal or loss of energy on moving to the next level
• therefore if there is a 5th step or a 6th step this would result in that organism getting very little or no energy at all.