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ES Midterm Review

Total questions: 20

Worksheet time: 40mins

Name
Class
Date
1.

What is denitrification?

a)

the variety of living things within an ecosystem.

b)

the process by which bacteria return nitrogen to the atmospheric form

c)

top layer of a lake or pond that receives the most sunlight

d)

excessive richness of nutrients in a body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

2.

What is an ecosystem service of esturaries?

a)

provides land for human development of housing

b)

acting as a natural filter before impurities hit the ocean

c)

gives humans fresh water supply

d)

providing a barrier from storm surges

3.

What is the climate of tropical rain forest?

a)

low levels of rainfall with cold temperatures all year round

b)

high levels of rainfall with a wet and a dry season, tropical zone, stable temperature year round

c)

high levels of rainfall with cold temperatures all year round

d)

low levels of rainfall with stable temperature all year round and a wet and dry season

4.

What is the climate of the tundra?

a)

very cold temperatures, very little rainfall leading to very few (if any trees)

b)

high levels of rainfall with a wet and a dry season, tropical zone, stable temperature year round

c)

warm stable temperatures all year round, relatively dry with a wet season of heavy rainfall

d)

Mediterranean, hot dry summers, mild damp winters

5.

What is the climate of the Chapparal?

a)

very cold temperatures, very little rainfall leading to very few (if any trees)

b)

high levels of rainfall with a wet and a dry season, tropical zone, stable temperature year round

c)

warm stable temperatures all year round, relatively dry with a wet season of heavy rainfall

d)

Mediterranean, hot dry summers, mild damp winters

6.

What is the climate of the Taiga/Coniferous forest?

a)

very cold temperatures, very little rainfall leading to very few (if any trees)

b)

high levels of rainfall with a wet and a dry season, tropical zone, stable temperature year round

c)

warm stable temperatures all year round, relatively dry with a wet season of heavy rainfall

d)

long cold winters, but receives enough rainfall to be dominated by pine trees

7.

What is an adaptation for plants that live in an estuary?

a)

spines as leaves to conserve water

b)

shallow roots to collect rare water

c)

being able to get rid of extra salts through their leaves

d)

dropping seeds to reproduce

8.

What is biodiversity?

a)

the variety of living things within an ecosystem.

b)

the process by which bacteria return nitrogen to the atmospheric form

c)

top layer of a lake or pond that receives the most sunlight

d)

excessive richness of nutrients in a body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

9.

What is eutrophication?

a)

the variety of living things within an ecosystem.

b)

the process by which bacteria return nitrogen to the atmospheric form

c)

top layer of a lake or pond that receives the most sunlight

d)

excessive richness of nutrients in a body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

10.

What is the nitrogen cycle?

a)

the biogeochemical cycle of the element Nitrogen through an ecosystem

b)

the process of nitrogen being converted from the Atmospheric Nitrogen to Nitrates (by lightning and special bacteria)

c)

Process by which plants and animals gain nitrogen

d)

process by which bacteria and fungi break down organic matter converting their nitrogen into another form

11.

What is nitrogen fixation?

a)

the biogeochemical cycle of the element Nitrogen through an ecosystem

b)

the process of nitrogen being converted from the Atmospheric Nitrogen to Nitrates (by lightning and special bacteria)

c)

Process by which plants and animals gain nitrogen

d)

process by which bacteria and fungi break down organic matter converting their nitrogen into another form

12.

What is absorption/assimilation?

a)

the biogeochemical cycle of the element Nitrogen through an ecosystem

b)

the process of nitrogen being converted from the Atmospheric Nitrogen to Nitrates (by lightning and special bacteria)

c)

Process by which plants and animals gain nitrogen

d)

process by which bacteria and fungi break down organic matter converting their nitrogen into another form

13.

What is decomposition?

a)

the biogeochemical cycle of the element Nitrogen through an ecosystem

b)

the process of nitrogen being converted from the Atmospheric Nitrogen to Nitrates (by lightning and special bacteria)

c)

Process by which plants and animals gain nitrogen

d)

process by which bacteria and fungi break down organic matter converting their nitrogen into another form

14.

What is the abyssal zone?

a)

area of a pond or lake close to the shore, full of leaf litter, and more plants

b)

top layer of a lake or pond that receives the most sunlight

c)

bottom part of lake that receives very little light, low levels of dissolved oxygen

d)

very bottom of the ocean

15.

What is the profundal zone?

a)

area of a pond or lake close to the shore, full of leaf litter, and more plants

b)

top layer of a lake or pond that receives the most sunlight

c)

bottom part of lake that receives very little light, low levels of dissolved oxygen

d)

very bottom of the ocean

16.

What is the limentic zone?

a)

area of a pond or lake close to the shore, full of leaf litter, and more plants

b)

top layer of a lake or pond that receives the most sunlight

c)

bottom part of lake that receives very little light, low levels of dissolved oxygen

d)

very bottom of the ocean

17.

What is the littoral zone?

a)

area of a pond or lake close to the shore, full of leaf litter, and more plants

b)

top layer of a lake or pond that receives the most sunlight

c)

bottom part of lake that receives very little light, low levels of dissolved oxygen

d)

very bottom of the ocean

18.

What is a swamp-wetland?

a)

a wetland dominated by grasses

b)

a wetland known for spongy acidic brown soil

c)

a wetland dominated by trees

d)

an area of land that is covered with water most of the year

19.

What is a bog-wetland?

a)

a wetland dominated by grasses

b)

a wetland known for spongy acidic brown soil

c)

a wetland dominated by trees

d)

an area of land that is covered with water most of the year

20.

What is a marsh-wetland?

a)

a wetland dominated by grasses

b)

a wetland known for spongy acidic brown soil

c)

a wetland dominated by trees

d)

an area of land that is covered with water most of the year