13. Intext question I

 

a. The _____________ forms a trophic level. In an ecosystem, a trophic level comprises a group of organisms that occupy the same level in a food chain.

 

b. An example of a food chain is

 

c. In this food chain depicted, grass is the _________ that is eaten by the insect _______. Insect can be the food for frog which is a ________. The snake is the _________ which eats the frog. The eagle is the tertiary consumer which consumes snake.