Energy Pyramid and Ecological Relationships Assessment

Apuntes

Energy Pyramid and Ecological Relationships Assessment • Subtopic: Primary Energy Source 1. What is the primary source of energy in most ecosystems? a. Decomposers b. The Sun c. Primary consumers d. Secondary consumers • Subtopic: Energy Transfer Between Trophic Levels 2. In an energy pyramid, approximately how much energy is transferred from one trophic level to the next? a. 50% b. 75% c. 10% d. 25% • Subtopic: Energy Loss at Trophic Levels 3. What happens to the majority of energy (90%) at each trophic level? a. It is stored as biomass b. It is lost as heat to the environment c. It is converted to chemical energy d. It is transferred to the next level • Subtopic: Direction of Energy Flow 4. Which direction do energy flow arrows typically point in an energy pyramid? a. Horizontally from left to right b. Downward from top to bottom c. Upward from bottom to top d. Randomly in all directions • Subtopic: Organisms at the Base of the Pyramid 5. What organisms form the base of an energy pyramid? a. Herbivores b. Carnivores c. Producers d. Decomposers • Subtopic: Impact of Removing Producers 6. What would most likely hap...