In the food chain comprising of a snake, grass, insect, and frog, the secondary consumer is:

Which of the following act as decomposers in an ecosystem?

One of the following helps in the recycling of materials in an ecosystem. This one is:

Sahara Desert was formed over a period of time due to one of the following uncontrolled activities of man:

The sea water contains water beetles, tadpole, fish and weeds.

(a) Write a food chain comprising all the given organisms.

(b) Which organisms in the food chain is

(i) Herbivore

(ii) Carnivore

(c) Which organisms are

(i) Predators

(ii) Prey

(d) Which organisms can trap solar energy to make food?

(e) Which organism is a secondary consumer?