| A | B |
|---|
| community | different populations together |
| canopy | leafy roof |
| deciduous trees | shed their leaves |
| dichotomous key | identification tool using paired statements |
| habitat | provides what organism needs |
| lichen | algae + fungi as one organism |
| microhabitat | area within larger habitat with unique conditions |
| native species | naturally evolved |
| niche | organism's role |
| pioneer plants | the first to populate an area |
| population | members of one species together |
| shrub layer | layer of wood plants |
| stratification | distinguishable layers of forest |
| succession | series of changes occuring in a community over time |
| understory | layer of shorter plants that grow in shade |
| biota | living part of an ecosystem |
| abiota | nonliving part of an ecosystem |
| symbiosis | close relationship between species |
| species | organisms that are similar |
| organisms | living things |
| predator-prey | tiger shark-albatross |
| producer | organism that makes its own food |
| consumer | organism feeds on other organisms |
| natural selection | better adaptation to environment = more likely to survive |
| invertebrate | animals without a backbone |
