2.1 Flashcards

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1
Q

what may affect a population?

A

abiotic factors such as temperature, sun, precipitation, and climate, biotic factors such as other organisms(including prey, predators, disease, and competitiors), and intrinsic factors like adaptations

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2
Q

how do you calculate population by random sampling

A

of organisms in sample/sample ares = total # of organisms (x)/total area

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3
Q

what is a quadrat

A

a section of an area sectioned off the count the amount of whatever organism within it

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3
Q

what is a population

A

the number of individuals of the same species in the same area at the same time

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3
Q

what is the formula for calculating population by the mark and recapture method

A

total marked/x = # recaptured with marks/total recaptured

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4
Q

what are these types of distribution

A

uniform, random, and clumped

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5
Q

why might a population have a clumped distribution

A

the organisms may be gathered around a resource, or they may be social and live in groups

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6
Q

why might a population have a uniform distribution

A

the organisms may be territorial or there may be a scarcity of resources

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7
Q
A
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