Understanding the ecological role of wolves in Yellowstone National Park – Science Nation

Loathed as a threat and nuisance, the wolf population in Yellowstone National Park was essentially wiped out by the mid 1920’s. That changed in 1995, when … [ad_2]

Predator Prey Interactions | Basic Ecology |

Ecological Interactions Predator and Prey Living things can be classified into two large groups. Autotrophs and heterotrophs Heterotrophs must get their energy … [ad_2]