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Mid-Term Vocab 3
Ecology Mid-term Vocabulary 3
| Term | Definition |
|---|---|
| Adaptations | Characteristics that allow organisms to live in their environments |
| Natural Selection | Well adapted individuals will survive and reproduce better than poorly adapted individuals. |
| Niche | The role or job an organism has in its habitat |
| Competition | The struggle between organisms to survive as they attempt to use the same limited resources |
| Symbiosis | A close relationship between 2 species, where at least 1 benefits |
| Mutualism | Both species benefit |
| Commensalism | One species benefits, nothing happens to the other species |
| Parasitism | One organism (parasite) benefits by harming the other organism (host) |
| Predation | When on organism kills another for food |
| Predator | the hunter |
| Prey | the food |
| Limiting Factor | The factor that limits growth in an ecosystem (food, water, living space, mates) |
| Carrying Capacity | the number of organisms an ecosystem can support |