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science vocab.5th
science
| Question | Answer |
|---|---|
| a species that has died out completely | extinct species |
| a species that is in danger of becoming extinct | endangered species |
| a species that is in danger of becoming endangered | threatened species |
| the process of one ecosystem changing into a new and different ecosystem | succession |
| the beginning of a community where few if any living things exist | primary succession |
| the first community living in a lifeless area | pioneer community |
| the first species living in an otherwise lifeless area | pioneer species |
| the final stage of succession in an area, unless a major change happens | climax community |
| the beginning of a new community where an earlier community already existed | secondary succession |