9.1 ecology Flashcards
What is a population?
Individuals of the same species living in the same area at the same time
What is population density?
how many individuals per one area
what is clumped distribution?
organisms are clumped together in groups
What is population distribution?
How organisms are spaced out in an area
what is random distribution?
organisms are randomly spaced throughout the area
what is uniform distribution?
when organisms are spaced evenly throughout an area
if you capture and mark 20 butterflies, then go back later and capture 10 butterflies and 5 are marked, what is the population density?
40 butterflies
Why would a population be uniform?
If the species was territorial and resources were limited
Why would a population be clumped?
If a species moves in packs and is very social
