Search Results

Results for: 'predator prey'

Watch Later 2:46

Predator- prey competition and symbiosis

By: HWC, Views: 6467

Predator-prey relationships occur when one species, the predator, kills and eats an organism of another species, the prey. This graph shows the cyclical nature of predator-prey relationships, in this case among populations of Canada lynx and snowshoe rabbits. If predation is without some li...

Watch Later 1:10

How does an animal choose what food to eat?

By: HWC, Views: 6125

One might assume that natural selection has influenced the foraging behaviors of animals, and that most animals forage efficiently, spending the least energy to gain the most nutrients. This is the underlying assumption of optimality modeling, a scientific approach to studying foraging behavior. ...