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Worksheetsม3 Populations & Communities Revision
Total questions: 21
Worksheet time: 21mins
Name
Class
Date
1.
All of the following could limit the growth of a population except which factor?
a)
harsh winter
b)
increased predator population
c)
lack of rain
d)
plentiful food sources
2.
Ecology is the study of the
a)
abiotic parts of the environment, such as climate, air, and soil
b)
biotic parts of the environment, such as animals and plants
c)
interactions between organisms
d)
interactions between organisms as well as the interactions between organisms and their environment
3.
What is an ecosystem?
a)
All the interacting organisms that live in an environment and the abiotic parts of the environment that affect the organisms
b)
A person who observes and studies the interactions between the biotic and abiotic parts of the environment
c)
The relationship among the biotic parts of the environment
d)
The relationship between all the abiotic elements of a pond
4.
What is a population?
a)
all members of a species that live in an ecosystem
b)
all of the groups in an ecosystem
c)
a family of animals that live in the same group
d)
the biotic and abiotic parts of an ecosystem
5.
The place where an organism lives and that provides the things the organism needs is called its
a)
habitat.
b)
population.
c)
community.
d)
species.
6.
What is an example of a population?
a)
All the insects in the rainforest.
b)
All the trees in a forest.
c)
All the pigeons in New York City.
d)
All the plants in the Atlanta Botanical Gardens.
7.
All of the following are examples of limiting factors for a population except...
a)
space
b)
food
c)
time
d)
weather
8.
In which type of interaction do both species benefit?
a)
predation
b)
mutualism
c)
commensalism
d)
parasitism
9.
Which of these relationships is an example of parasitism?
a)
a bird building a nest on a tree branch
b)
a bat pollinating a saguaro cactus
c)
a flea living on a cat's blood
d)
ants protecting a tree that produces the ants' only food
10.
Which of the following lists the levels of organization in an ecosystem from the smallest unit to the largest?
a)
population, organism, community, ecosystem
b)
organism, population, ecosystem, community
c)
organism, community, population, ecosystem
d)
organism, population, community, ecosystem
11.
Counting hawks with and without bands on their legs is an example of what type od population measuring tool?
a)
direct observation
b)
indirect observation
c)
sampling
d)
Capture, Mark, Release
12.
How do you think an increase in the fox population affected the rabbit population?
a)
The rabbits decreased because there were fewer food sources
b)
The rabbits increased because there were more food sources
c)
The rabbits decreased because there were more fox to prey on them
d)
The rabbits increased because they had more space
13.
A symbiotic relationship in which one species benefits and the other is harmed
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
14.
A symbiotic relationship in which one organism benefits and the other species is neither harmed or helped
a)
mutualism
b)
predation
c)
commensalism
d)
parasitism
15.
Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark.
a)
parasitism
b)
commensalism
c)
mutualism
16.
Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.
a)
parasitism
b)
commensalism
c)
mutualism
17.
A flea feeds on a mouse’s blood and harms the mouse.
a)
parasitism
b)
commensalism
c)
mutualism
18.
Ostriches and gazelles feed next to each other. They both watch for predators and alert each other to danger. Because their visual abilities are different, they can identify threats that the other animal would not see as readily.
a)
parasitism
b)
commensalism
c)
mutualism
19.
As bison walk through grass, insects become active and are seen and eaten by cowbirds. The relationship neither harms nor benefits the bison.
a)
parasitism
b)
commensalism
c)
mutualism
20.
An organism's _________ is defined as the environment in which it lives.
a)
habitat
b)
niche
c)
social structure
d)
ecosystem
21.
The term for the role an organism has in the community.
a)
niche
b)
habitat
c)
tolerances
d)
competition
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