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Vocabulary 3.5
Term | Definition |
---|---|
ecosystem | All the living and nonliving things in an area and their interactions. |
consumer | An organism that obtains energy by feeding on other organisms. |
producer | An organism that uses energy from the sun to create its own food (green plants). |
decomposer | An organism that breaks down wastes and dead organisms and returns their nutrients to the soil. |
predator | An animal that hunts other animals for food. |
prey | An animal that is killed and eaten by another animal. |
population | A group of the same type of species/organism living in a particular area. |
community | All the different populations that live together in an area. |
habitat | A physical/natural home or environment of an animal, plant, or other organism. |
food chain | A series of events in which one organism eats another and obtains energy. |
food web | A system of interlocking and interdependent food chains. |
herbivore | A consumer that eats only plants. |
carnivore | A consumer that eats only animals. |
omnivore | A consumer that eats both plants and animals. |
organisms | Living things |
competition | The fight for resources |
terrestrial | Land |
aquatic | Water |
over population | When the number of people in an area exceeds the capacity of the environment to support life |
photosynthesis | The process by which plants and some other organisms use light energy to convert water and carbon dioxide into oxygen and energy. |