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lesson 8 vocab
for studyin
Term | Definition |
---|---|
biodiversity | the variety of organisms on earth or particular habitat or ecosystem |
proportion | the relationship between a part and a whole |
niche | the ecological role that a species plays in an ecosystem |
extirpation | when all the members of a population die and the specie no longer exist in that place or ecosystem |
extinction | when the group of a specie dies and don't exist any more |
keystone species | a spices that affects the diversity of an entire ecosystem |
what do you want to get on your test | 90% or higher |