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Ecology

Total questions: 40

Worksheet time: 31mins

Name
Class
Date
1.
Distance in degrees north or south of the equator
a)
latitude
b)
longitude
2.
distance in degrees east or west of the Prime Meridian
a)
latitude
latitude
b)
longitude
longitude
3.
Greatest/largest possible measure of longitude
a)
50 degrees east or west
b)
90 degrees east or west
c)
100 degrees east or west
d)
180 degrees east or west
4.
Earth's solid rock layer - one of 4 spheres into which scientists divide Earth
a)
Atmosphere
b)
Biosphere
c)
Hydrosphere
d)
Lithosphere
5.

Identify North America

a)

1

b)

2

c)

3

d)

4

e)

5

6.

Identify South America

a)

1

b)

2

c)

3

d)

4

e)

5

7.

Identify the Arctic Ocean

a)

A

b)

B

c)

C

d)

D

e)

E

8.

Identify the Southern Ocean

a)

A

b)

B

c)

C

d)

D

e)

E

9.

Identify the Tropic of Capricorn

a)

Red

b)

Green

c)

Blue

d)

Yellow

10.

Identify the Prime Meridian

a)

Red

b)

Green

c)

Blue

d)

Yellow

11.

Identify the Equator

a)

Red

b)

Green

c)

Blue

d)

Yellow

12.
What is the inner most layer of Earth?
a)
core
b)
outer core
c)
inner core
d)
asthenosphere
13.
Which layer of earth is molten?
a)
inner core
b)
outer core
c)
crust
d)
lithosphere
14.

What is the thinnest layer of the Earth?

a)

Mantle

b)

inner core

c)

outer core

d)

crust

15.
Identify C
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
16.
Identify D
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
17.

is the part of Earth where life exists

a)

Biosphere

b)

Biota

c)

Geosphere

d)

Hydrosphere

18.

All of Earth’s water, ice, and water vapor.

a)

Biosphere

b)

Biota

c)

Geosphere

d)

Hydrosphere

19.
Biotic factors of an ecosystem are:
a)
non-living
b)
plants
c)
living thing
d)
soil
20.
Which biome covers most of the land mass near the Earth's equator?
a)
tundra
b)
desert
c)
grassland
d)
tropical rainforest
21.
Which biome is characterized by low temperatures and low amounts of rainfall?
a)
tundra
b)
desert
c)
temperate deciduous forest
d)
tropical rain forest
22.
Which major biome is home to cacti, mesquite, white thorn, pack rats, small reptiles, and coyotes?
a)
desert
b)
taiga
c)
tundra
d)
grassland
23.
Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?
a)
taiga
b)
tundra
c)
deciduous forest
d)
grassland
24.
Where is carbon stored in the environment?
a)
Fossil fuels
b)
Wood of trees
c)
Calcium carbonate (shells and bones)
d)
All of the above
25.
What converts nitrogen into a useable form for plants and animals?
a)
bacteria
b)
fungi
c)
rain
26.

What is the largest reservoir for water?

a)

the ocean

b)

rocks and minerals

c)

the atmosphere

d)

glaciers

27.

Nitrogen fixation is the process in which certain bacteria convert nitrogen gas into

a)

liquid nitrogen

b)

nitrates

c)

nitrites

d)

ammonia

28.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
29.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
30.
What is it called when WATER is FORMED from an LIQUID to a WATER VAPOR or a GAS?
a)
EVAPORATION
b)
PRECIPITATION
c)
TRANSPIRATION
31.
During which stage do clouds form?
a)
condensation
b)
evaporation
c)
precipitation
32.
How does the carbon in grass become part of a lion?
a)
The lion eats the grass
b)
Carbon from grass doesn't end up in a lion. 
c)
The carbon ends up in the lion's food chain. 
d)
The lion breathes in carbon given out by the plant
33.

The process in which nitrogen circulates and is recycled is called

a)

The nitrogen cycle

b)

The carbon cycle

c)

The water cycle

d)

The phosphorus cycle

34.

Organisms that need nitrogen to survive.

a)

only plants

b)

only animals

c)

only bacteria

d)

all living things

35.

Gas that makes up 78% of our atmosphere.

a)

Oxygen

b)

Nitrogen

c)

Hydrogen

d)

Carbon Dioxide

36.

What is the formula for atmospheric nitrogen?

a)

N

b)

N2

c)

NH3

d)

NO3

37.

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

a)

Assimilation

b)

Fixation

c)

Ammonification

d)

Denitrification

38.
_____ brings phosphorous into our waterways. .
a)
precipitation
b)
runoff
c)
transpiration
d)
condensation
39.
Which of the following statements is true of the phosphorus cycle?
a)
Phosphorus enters the atmosphere as phosphates.
b)
The phosphorus cycle utilizes the processes of erosion, and weathering.
c)
Phosphates are used in carbohydrate and glucose storage.
d)
The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.
40.
What role do decomposers play in the phosphorous cycle?
a)
absorb phosphorous 
b)
release phosphorous into atmosphere
c)
return phosphorous into the soil
d)
combustion

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