Name the first link in all the food chains.

Q. You have read about food chains in this chapter. Each living thing is a part of multiple food chains – for example, grass is a part of the food chain: grass → grasshopper → frog → snake → eagle, and also of the food chain: grass → deer → tiger.
All of the interconnected and overlapping food chains in a habitat make up a food web.



See the given food web and answer these questions.
1. From the food web, construct two different food chains, each with four links.
2. If all the eagles were killed, what would happen to the number of

Q. A forest ecosystem having a lot of green plants has some foxes, lions and rabbits in it.
(a) Write a food chain comprising all the four organisms mentioned above.
(b) Name (i) one herbivore, and (ii) two carnivores, in this food chain.
(c) Name the link which is a predator as well as a prey.
(d) Name (i) second trophic level, and (ii) third trophic level.
(e) Which link of this food chain can feed on second trophic level as well as third trophic level, independently?
(f) If the sun provides 1000 J of energy to the plants, then how much energy will be transferred to fox through the food chain.

Q. The first link in all food chains is
(a) herbivores.
(b) carnivores.
(c) plants.
(d) omnivores.

Q. First link in food chain is green plant because

Q. All organisms that feed at each other link in a food chain comprise a ______.