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chapter 3 - ecosystems

Total questions: 25

Worksheet time: 16mins

Name
Class
Date
1.

Changes in air pressure, temperature, humidity, and wind over a long period of time is...

a)

weather

b)

climate

2.

Changes in air pressure, temperature, humidity, and wind over a short time is...

a)

weather

b)

climate

3.

The clothes that you wear on a given day are determined by your areas...

a)

weather

b)

climate

4.

If Fort Collins consistently experiences above average temperatures and rainfall for the next 25 years, that would represent a change in...

a)

weather

b)

climate

5.

Over the last decade we have had an increase in the amount of rain in our area.

a)

weather

b)

climate

6.

The high temperature today will be near 75 degrees F.

a)

weather

b)

climate

7.

I hear Australia is warm all year round! Let's go to Australia for vacation!

a)

weather

b)

climate

8.
The non living parts of an ecosystem
a)
abiotic factors
b)
biotic factors
c)
oxygen
d)
soil
9.
An abiotic part of an ecosystem; required by plants to perform photosynthesis.
a)
water
b)
soil
c)
sunlight
d)
oxygen
10.
The place where an organism lives that provides it with shelter, food and water.
a)
ecosystem
b)
population
c)
community
d)
habitat
11.
The study of the interaction of living and nonliving things in the environment.
a)
biology
b)
ecology
c)
zoology
d)
psychology
12.
All the members of one type of species in a specific area.
a)
habitat
b)
community
c)
population
d)
ecosystme
13.
the living parts of an ecosystem
a)
biotic factors
b)
biology
c)
abiotic factors
d)
animals
14.
This biome has the most diverse species of plants and animals.
a)
desert
b)
tropical rainforest
c)
savanna
d)
tundra
15.
Which two biomes have the least precipitation?
a)
tropical rain forest and temperate grasslan
b)
savanna and tropical dry forest
c)
tundra and desert
d)
boreal forest and temperate woodland
16.
Which is NOT a freshwater ecosystem?
a)
a river
b)
a lake 
c)
an estuary
d)
a stream
17.
A wetland that contains a mixture of fresh water and salt water is called
a)
an estuary
b)
a stream
c)
a river
d)
a pond
18.
The photic zone
a)
extends to the bottom of the open ocean
b)
extends to a depth of about 200 meters
c)
is deep, cold, and permanently dark
d)
is where chemosynthetic bacteria are the producers
19.
The aphotic zone is
a)
the ocean's dark lower layer where photosynthesis cannot occur
b)
the sunlit upper layer of the ocean where photosynthesis occurs
c)
on the bottom of lakes, streams, and oceans.
d)
where benthos are found
20.
An ecosystem where water covers the soil or water is near the surface of the soil is called
a)
a desert
b)
an ocean
c)
an estuary
d)
a wetland
21.
Estuaries form where 
a)
a lake evaporates
b)
a river meets the sea
c)
a river becomes dammed
d)
a wetland becomes filled in
22.
What are the different kinds of marine biomes?
a)
 coral reefs, estuaries, and oceans
b)
rivers, lakes and oceans
23.
What aquatic biome is characterized by flowing fresh water?
a)
Lakes/Ponds
b)
Mangroves Swamps
c)
Rivers/Streams
d)
Coral Reefs
24.

True or False? The presence of sunlight is considered an abiotic factor in marine ecosystems.

a)

True

b)

False

25.

The term for the saltiness of the water is ______________.

a)

depth

b)

color

c)

salinity

d)

temperature

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