Super important1. each time energy is transferred in an ecosystem, potential energy is lost * a. as heat b. because some animals die c. due to weather d. when it's recycled back to producers 2. animals that feed on plants are at least in the * first trophic level second trophic level third trophic level producers level 3. in the pyramid of energy above, less energy is available in the second level because a. there is more food than at the first level b. producers don't use as much energy as consumers c. the organism at the top doesn't need very much d. energy from the first level was given off as heat 4. what percentage of the energy in a rabbit is stored in a snake that eats the rabbit? * a. 0% b. 10% c. 90% d. 100% 5. organisms that get their energy from organic wastes and dead organisms at all energy levels in an ecosystem are called * a. omnivore b. producer c. decomposer d. herbivores 6. select the statement that describes matter and energy in ecosystems. * a. both matter and energy are completely lost. b. both energy and matter are completely recycled. c. matter recycles, but some energy is transferred. d. energy is recycled but matter is lost. 7. an example a material that is recycled in an ecosystem is * a. energy b. sulfur c. carbon d. ammonia