Answer: 2. relations refer to the interactions between two species where one species is the hunted food source for the other.
3. producer
4. Energy flows through an ecosystem in only one direction. Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. ... Organisms need it for growth, locomotion, heating themselves, and reproduction.
5. An ecosystem is a group of organisms of different species living together in the same place and interacting with the abiotic parts of their environment. A biosphere is the sum of all living organisms on the earth, whether they are living on it, within it, or above it.
6. a system of interlocking and interdependent food chains.
7. Biotic and abiotic factors both determine that a population can live or not in a particular place.
8. As the environment changes and new stressors are added to an ecosystem, that pressure influences organisms to change, thus making them better competitors.
9. habitat
10. The removal of the producers would cause the collapse of the entire food web. he removal of any trophic level
Explanation: Mark me as the brainliest