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Coach Ch. 2
Life Science
| Question | Answer |
|---|---|
| the process by which plants, algae, and some bacteria use energy from sunlight to make their own food | photosynthesis |
| a close relationship between two different species, or kinds, of living things | symbiosis |
| a relationship in which both organisms benefit | mutualism |
| a relationship in which one kind of organism benefits and the other is not affected | commensalism |
| a relationship in which one kind of organism benefits, but the other is harmed | parasitism |
| no longer found living on Earth | extinct |
| a group of living things that is in danger of disappearing or becoming extinct | endangered species |
| a group of living things that is likely to become endangered soon | threatened species |
| a scientist who studies how living things interact with their environment | ecologist |