2.1 Intro to Populations Flashcards

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1
Q

Definition of Population

A

All of the organisms in the same place at the same time that can reproduce together

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2
Q

Difference between Density and Distribution

A

Density is how many organisms are in the area while distribution is how they are spread out.

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3
Q

Which type of distribution works best for random sampling?

A

Uniform

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4
Q

The population has scarce resources, what is their distribution most likely?

A

Uniform

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5
Q

The population has many resources all spread out, what is their distribution most likely?

A

Random

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6
Q

The population has resources in certain areas, what is their distribution most likely?

A

Clumped

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7
Q

Find the density: Each square is only 1m x 1m and the total area is 10. You are given 3, 6, 4, 2 and 5.

A

40

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8
Q

There are 100 trees in a 5 mi^2 area, what is the density?

A

20 trees/mi

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9
Q

You have marked 10 flies. Later you capture another 10 to find only 2 of them marked. What is the estimated population?

A

50 flies.

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10
Q

Tigers are very territorial, what would their density and distribution be.

A

Their density would be low because of how spread out they are and their distribution would be uniform.

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