Limits to population growth Flashcards
Define density dependent population control
When number of individuals in the pop. controls how many individuals can be in the population
How are the populations of the snowshoe hare and the lynx connected?
Lynx is a consumer, diet being snowshoe hare.
* As hare population iincreases, so does the lynx’s.
* As more hare are eaten by the lynx, the hare population decreases .. and, so does the lynx.
How do the population fluctuations of the snowshoe hare and the lynx demonstrate that they are density dependent?
It shows how affected each species is by the existence of the other.
Define density independent population control
The size of the pop. is controlled by factors not related to how many individiuals are in the population.
Do you think humans can impact the situation that could cause a density independent population change?
Yes. We are infamously known for doing exactly that to any poor creature which happens to be inhabitants of wherever it is we set our sights on.
I.e., we destroy habitats, taketaketake.