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ELO 1 Vocabulary
Ecosystems
| Term | Definition |
|---|---|
| biotic factor | a name for any living thing or a once-living thing found in an ecosystem |
| abiotic factor | a nonliving factor found in an ecosystem |
| abiotic examples | sunlight, space, temperature, water |
| biotic examples | spider, sunfish, tulip, dog, tree |
| ecosystem | a place where living and nonliving things interact with one another |
| organism | this word is a synonym for biotic because it means a living thing |
| population | all the members of one species living in a particular area at a particular time |
| resource | something that a living thing needs for survival |
| resource examples | food, water, shelter |
| limiting factors | factors that limit the size and growth of a population |
| limiting factor examples | space, nutrients, predators, water, sunlight |
| carrying capacity | the maximum population size that can be supported by an ecosystem |
| competition | an individual or population needs the same resource |
| competition example | plants grow over one another trying to get sunlight to survive |
| food web | a series of overlapping food chains that show the path of energy among organisms in an ecosystem |
| predator | hunts other animals for food |
| prey | is hunted by animals |
| population change | a group of animals could decrease or increase |