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WorksheetsChapter 2 Ecosystems
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
The replacement of one community by another over time is called
a)
succession
b)
niche
c)
community
d)
population
2.
A ______________ is all the members of a species living in a certain area.
a)
ecosystem
b)
community
c)
niche
d)
population
3.
A way an individual interacts with living and nonliving factors in an ecosystem (role or job)
a)
symbiosis
b)
succession
c)
niche
d)
community
4.
2 way relationship between organisms where both species are benefiting...
a)
symbiosis
b)
succession
c)
niche
d)
predator
5.
A large group of living things that live in the same area and interact...
a)
prey
b)
symbiosis
c)
population
d)
community
6.
What is a predator?
a)
the hunted
b)
the hunter
7.
What are prey?
a)
the hunted
b)
the hunter
8.
A parasite is an organism that feeds off another organism
a)
True
b)
False
9.
An organism that is not part of the natural ecosystem and usually has no predators there are called...
a)
invasive species
b)
natural species
c)
fungi
d)
predator
10.
Animals that are in their natural ecosystem are called
a)
invasive species
b)
natural species
c)
succession
d)
grass
11.
How do we use Earth's resources every day?
a)
raise crops
b)
build homes
c)
store garbage
d)
all of the above
12.
How are people trying to restore Earth's natural resources?
a)
covering landfills with soil and planting grasses
b)
planting trees
c)
creating parks for wildlife
d)
all of the above
13.
How do humans change ecosystems?
a)
cutting down trees
b)
draining wetlands
c)
causing pollution
d)
all of the above
14.
Can humans hurt ecosystems?
a)
Yes
b)
No
15.
A harmful substance that is added to the environment is called?
a)
food
b)
grass
c)
pollution
d)
basketball
16.
What are the 3 R's when taking care of our environment?
a)
restore, rocks, rebellion
b)
reduce, reuse, recycle
c)
retake, recycle, recap
d)
reteach, restore, recycle
17.
Which of these is a nonliving part of an ecosystem?
a)
fish
b)
trees
c)
fungi
d)
water
18.
Interacting group of living and nonliving things in an area
a)
community
b)
ecosystem
c)
population
d)
niche
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