2.1 Intro to Populations

Question 1

Definition of Population

Answer 1

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

Question 2

Difference between Density and Distribution

Answer 2

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

Question 3

Which type of distribution works best for random sampling?

Answer 3

Uniform

Question 4

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

Answer 4

Uniform

Question 5

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

Answer 5

Random

Question 6

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

Answer 6

Clumped

Question 7

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.

Answer 7

40

Question 8

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

Answer 8

20 trees/mi

Question 9

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

Answer 9

50 flies.

Question 10

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

Answer 10

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