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WorksheetsEcology Ch 1 Lesson 3 Review
Total questions: 13
Worksheet time: 7mins
Name
Class
Date
1.
Which of these is an example of mutualism?
a)
A tick feeds off of a deer
b)
A bee pollinates a flower
c)
A bird builds a nest in a tree
d)
A tapeworm lives in someone's stomach and takes the nutrients from their food.
2.
Which of these is an example of commensalism?
a)
Bad for both organisms
b)
Good for one organism, bad for the other
c)
Good for both organisms
d)
Good for one organism, no effect on the other
3.
Which of these is an example of parasitism?
a)
A clownfish living in an anemone
b)
A mosquito feeding off of a human
c)
Barnacles attaching to whales. The whales don't notice or care that they are there.
d)
The oxpecker bird feeding on the ticks found on a rhino.
4.
An increase in the predator population will result in _______ in the prey population.
a)
a increase
b)
no change
c)
a decrease
5.
Two deer try to go for the same food source. This is an example of ______
a)
Predation
b)
Mutualism
c)
Adaptation
d)
Competition
6.
An example of an adaptation that helps a predator catch a prey would be....
a)
Mimicry
b)
Being able to run really fast
c)
Warning coloring
d)
Protective coloring
7.
An example of a prey adaptation that helps them avoid being eaten....
a)
An octopus mimicking a sea snake
b)
A shark having very sharp teeth
c)
A cheetah being able to run really fast
d)
A tiger blending into its environment with camouflage
8.
What is natural selection?
a)
The strongest organisms always survive
b)
The fastest organisms survive
c)
The best camouflaged organisms survive
d)
The organisms that are best suited to their environments survive.
9.
Which of these is correct?
a)
The mosquito is the host, human is the parasite
b)
This is an example of mutualism
c)
This is an example of commensalism
d)
The mosquito is the parasite, the human is the host.
10.
Predict: How might disease in a wolf population one year affect the moose population the next year?
a)
It would have no effect.
b)
The moose population would grow because there are fewer predators.
c)
The moose population would shrink because there are fewer predators.
d)
The moose population would shrink because they might catch the disease too.
11.
Mutualism, commensalism, and parasitism are all types of _______.
a)
Competition
b)
Adaptations
c)
Natural Selection
d)
Symbiotic relationships
12.
What is an organism's niche?
a)
The role of an organism in its habitat.
b)
What type of food the organism eats and what it needs to survive.
c)
When and how the organism reproduces.
d)
All of the above
13.
Can any two organisms share the same niche?
a)
Yes - there is room for everybody.
b)
No - if they share the same habitat, they must share a different niche
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