Which food chain correctly describes the flow of energy in an ecosystem?
A. Grass → goat → human
B. Caterpillar → leaf → human
C. Cow → grass → human
D. Leaf → bird → caterpillar
Answer:A
Which food chain correctly describes the flow of energy in an ecosystem?
A. Grass → goat → human B. Caterpillar → leaf → human C. Cow → grass → human D. Leaf → bird → caterpillar