Populations Review

Population Density =

• Births + Deaths

• Number of organism / Emigration

• Deaths / Births - Immigration

• Number of organisms / Size of area

The density would _______ if the number of organisms increases.

• Stay same

• Decrease

• Increase

• Can't calculate with what's given

The density would _______ if the size of the area decreases.

• Stay same

• Decrease

• Increase

• Can't calculate with what's given

Box A - Rows of Corn

What type of distribution/dispersion is this?

• Random

• Clumped

• Uniform/Even

• $

Box B - Dandelion Flower

What type of distribution/dispersion is this?

• Random

• Clumped

• Uniform/Even

• $

Box C - Turtles on Logs

What type of distribution/dispersion is this?

• Random

• Clumped

• Uniform/Even

Density Independent

Check all that apply

• The temperature

• Rainfall

• Tornado

• Earthquakes

• People

Tags

NGSS.MS-ESS3-2

Density Dependent Factors

Check all that apply

• Competition between organisms

• Blizzard

• Disease Outbreak

• Drought

Tags

NGSS.MS-LS2-4

Population Growth =

• Births + Deaths

• Deaths - Births

• Births - Deaths

• Births / Deaths

Immigration is to

• be born into a population

• move into a population

• die and leave a population

• move out or exit a population