| A | B |
|---|
| Organismal ecology | how do prairie chickens attract mates? |
| Population ecology | what factor affect how many young a female vole will give birth to? |
| Community ecology | what factors influence the diversity of species? |
| Ecosystem ecology | what factors control photosynthetic activity in the grassland? |
| Global ecology | how are the loss of grassland habitats affecting the global climate? |
| Landscape ecology | what affect does the mountains have on the dispersal of animals? |
 | organismal ecology |
 | ecosystem ecology |
