What are the trophic levels? Give an example of a food chain and state the different trophic levels in it.

In the food chain, the transfer of food or energy takes place at various levels, and these levels are known as trophic levels.

Example:

Grass → Goat → Man

In the food chain,

• Grass represents the first trophic level.
• The goat represents the second trophic level.
• Man represents the third trophic level.