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Ecology 6 : Population Density & Geochemical Cycles

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is 27,852 mule deer in Nebraska in 2019 is an example of?

a)

population

b)

population density

c)

population dispersion

d)

population growth

2.

What are 34 deer per 100 square miles an example of?

a)

population

b)

population density

c)

population dispersion

d)

population growth

3.

What is the spatial distribution of individuals in a population?

a)

density

b)

growth

c)

assemblage

d)

dispersion

4.

What type of population distribution is illustrated in the photo?

a)

clumped

b)

random

c)

uniform

d)

scattered

5.

What is the most common type of population distribution?

a)

clumped

b)

random

c)

uniform

d)

scattered

6.

What type of population distribution do the wildflowers the illustrate?

a)

uniform

b)

random

c)

consistent

d)

arbitrary

7.

A biogeochemical cycle depends on the weathering and erosion of this ion from rocks?

a)

NO2-1

b)

NO3-1

c)

CO3-2

d)

PO4-3

8.

This reaction, C6H12O6 + 6O2 -----------> 6CO2 + 6H2O, takes place in all living things and returns CO2 to the atmosphere.

a)

respiration

b)

photosynthesis

c)

transpiration

d)

carbonation

9.

Where is the greatest amount of freshwater stored?

a)

lakes

b)

aquifers

c)

glaciers

d)

oceans

10.

Eutrophication is caused by the accumulation of these ions in an aquatic ecosystem?

a)

NO3-1 and PO4-3

b)

CO3-2 and OH-1

c)

PO4-3 and Na+1

d)

O-2 and Ca+2