click below
click below
Normal Size Small Size show me how
Gr9 Bio Ecology
bio regents ecology
| define ecosystem | lowest level of environmental complexity that includes living and non living factors |
| an important speceis where if its population decreases other species are dramaticly affected | keystone species |
| sucession | stable ecosystem |
| Always read twice | on second reading read slowly and underline |
| biotic abiotic | living non-living |
| increase of one species | always have a predetor for that species or it will create a unstable ecosystem |