Homework answers / question archive / organism lives off the resources of another; good for parasite, bad for host two organisms providing each with something beneficial; good for both one organism gains something from an organism which is unaffected a measure of the number of different species in a community they can resist changes and have a high tolerance highly important species to the community; provides something for all other species a sequence of changes that occur in a community over time something that drastically changes a community or kills many organisms the series of changes to a community occurring from bare rock to forest the series of changes to a community after a disturbance, from soil to forest

organism lives off the resources of another; good for parasite, bad for host two organisms providing each with something beneficial; good for both one organism gains something from an organism which is unaffected a measure of the number of different species in a community they can resist changes and have a high tolerance highly important species to the community; provides something for all other species a sequence of changes that occur in a community over time something that drastically changes a community or kills many organisms the series of changes to a community occurring from bare rock to forest the series of changes to a community after a disturbance, from soil to forest

Biology

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1. organism lives off the resources of another; good for parasite, bad for host
2. two organisms providing each with something beneficial; good for both
3. one organism gains something from an organism which is unaffected
4. a measure of the number of different species in a community
5. they can resist changes and have a high tolerance
6. highly important species to the community; provides something for all other species
7. a sequence of changes that occur in a community over time
8. something that drastically changes a community or kills many organisms
9. the series of changes to a community occurring from bare rock to forest
10. the series of changes to a community after a disturbance, from soil to forest