Energy is passed up a food chain or web from lower to higher trophic levels.
Food gives energy.
Resources from food are passed up a chain or web from lower to higher trophic levels.
What is passed up a chain or web from lower to higher trophic level?
Options:
(A) Veins and arteries.
(B) heat or cold
(C) scarce resources
(D) food resources
(E) matter vibrating
(F) rays or beams
(G) Organic compounds
(H) fossil fuels