12. Give an example for:

(a) An endothermic animal

(b) An ectothermic animal

(c) An organism of benthic zone

 

(a) Endothermic animal: Birds such as crows, sparrows, pigeons, cranes, etc.

and mammals such as bears, cows, rats, rabbits, etc. are endothermic animals.

(b) Ectothermic animal: Fishes such as sharks, amphibians such as frogs, and

reptiles such as tortoise, snakes, and lizards are ectothermic animals.

(c) Organism of benthic zone: Decomposing bacteria is an example of an

organism found in the benthic zone of a water body.