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Worksheets

Thursday, April 30

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.
During the early settlement of the United States, pioneers cut down large tracts of forests on the east coast to use for home construction, for firewood, and to create cleared spaces to plant crops.What was the most likely effect of this kind of action?
a)
decreased plant and animal diversity
b)
decreased human populations
c)
decreased carbon dioxide production
d)
increased organism biodiversity.
2.

Biodiversity, aka biological diversity, usually refers to

a)

the same species in a general location

b)

the number of different species in a given area

c)

the number of animal species in a given area

d)

the number of plant species in a given area

3.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
4.
When there is higher biodiversity
a)
more organisms are likely to die because they can't adapt to environmental changes.
b)
there is less diversity.
c)
there is more diversity and higher sustainability of life.
d)
there is more diversity and lower sustainability of life
5.
How do biodiversity and sustainability work together?
a)
The lower the biodiversity the greater the sustainability.
b)
The higher the biodiversity, the less sustainable the ecosystem
c)
The higher the biodiversity, the greater the sustainability.
d)
Biodiversity has nothing to do with sustainability.
6.
High biodiversity is 
a)
having a lot of the same organism.
b)
having a few of the same organism.
c)
having a lot of variety of different organisms.
d)
only having one of each organism. 
7.
The higher the biodiversity, the more sustainable an ecosystem is.
a)
True
b)
False
8.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
9.
In a grassland ecosystem, lions prey on wildebeest. The population of lions has declined steadily because of illegal hunting. What will most likely happen to the population of wildebeest?
a)
The wildebeest population will increase
b)
The wildebeest population will decrease
c)
The wildebeest population will remian the same
10.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
11.
How does an invasive species affect an ecosystem?
a)
The invasive species interacts with all of the living organisms in a non-competitive way
b)
The invasive species travels between multiple different ecosystems or habitats to find food
c)
The invasisve species solely depends on birds for its food supply
d)
The invasisve species can disrupt biodiversity and food webs by competing with or harming species native to that ecosystem
12.
Which example refers to a biotic factor?
a)
A venus fly trap preying on a fly
b)
A rock sitting in the sun
c)
Sunlight warming the ground
d)
Dirt that has a high density
13.
Which example refres to an abiotic factor?
a)
Fish swimming in an ocean
b)
Oxygen dissolving in the water
c)
Trees growing
d)
Animals surviving in an ecosystem
14.
Describes the non-living things in an ecosystem
a)
Biotic
b)
Abiotic
c)
Biodiversity
d)
Ecosystem
15.

Which of these food webs has GREATER biodiversity?

a)

Prairie Food Web

b)

Tundra Food Web

c)

They are the same

16.

Which of these food webs is in a LESS sustainable ecosystem?

a)

Oak Forest Food Web

b)

Grassland Food Web

17.

As humans cut down and burn trees in the Amazon rainforest, are we increasing or decreasing the biodiversity and sustainability of the ecosystem?

a)

Increasing

b)

Decreasing

c)

Staying the same

18.

Which statements are true about biodiversity and sustainability? CHOOSE TWO.

a)

As biodiversity increases, sustainability decreases.

b)

As biodiversity increases, sustainability increases.

c)

As biodiversity decreases, sustainability increases.

d)

As biodiversity decreases, sustainability decreases.

19.

Rainforests have the most species of plants and animals of anywhere on Earth. This makes the rainforests __________________ in biodiversity than the rest of the Earth.

a)

higher

b)

lower

c)

equal to

20.

Two farmers planted crops. They both planted crop 1 and crop 2, but farmer 2 added 14 additional crops. At first, farmer 1 had more crops but then a virus killed all of crop 2. Which farmer's field is more sustainable and why?

a)

Farmer 1's field is more sustainable because all of crop 1 survived.

b)

Farmer 1's field is more sustainable because more of his land is crop 1.

c)

Farmer 2's field is more sustainable because he had more diverse crops so less of his plants died.

d)

Farmer 2's field is more sustainable because it has smaller areas.

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