Which Of The Following Constitute A Food Chain?
A. Grass, wheat, and mango
B. Grass, goat, and human
C. Grass, fish, and goat
D. Goat, cow, and elephant
(b) Grass, goat, and human constitute a food chain. The grass is an autotroph i.e. it produces its own food. The grass is eaten by goats which is a herbivores.
Human beings are omnivores (they eat both meat and plant foods) so they eat the meat of goats. Hence this is a food chain. Grass → Goat → Human (Producer) (Herbivore) (Omnivore) The other options are not proper food chains.