population ecology Flashcards
what is a predator
An animal that hunts down living prey, kills it and eats it.
what is prey
The animal that is being hunted by the predator
what is population
a group of organisms
of the same species
which occupy the same habitat, at a particular time and
are able to produce offspring
what is species
a group of organisms that
share many similar characteristics
and are able to interbreed
to produce fertile offspring
what is community
group of different populations living together in the same habitat
what is natality
increase in population due to new offspring
(birth)
what are the two limiting factors
density dependant
density independant
what are density dependent factors
affect population size no matter how many individuals there are
what are density independent factors
will affect the size pf a population when it reaches a certain number