Which of the following organism is an omnivore?
Cow
Goat
Human
Deer
Omnivores are organisms that feed on both plants and animals, like humans. Cow, goat and deer are herbivores and feed only on plants.
Which of the following constitute a food-chain?
(a) Grass, wheat and mango
(b) Grass, goat and human
(c) Goat, cow and elephant
(d) Grass, fish and goat