Given the question: Fact 1: Energy is passed up a food chain or web from lower to higher trophic levels. Fact 2: Food gives energy. Given the two facts above, answer the question "What is passed up a chain or web from lower to higher trophic level?" with the following options: - Veins and arteries. - heat or cold - scarce resources - food resources - matter vibrating - rays or beams - Organic compounds - fossil fuels
The answer is:
food resources