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Ecosystems And Biomes Test Part 2 Of 2
Test Description: Review for Life Science Spring 2014 Final
Instructions: Answer all questions to get your test result.
1) 1. Which of the following is NOT a freshwater ecosystem?
A
riiver
B
pond
C
lake
D
tidal pool
2) 2. What type of organism is at the basis of all food chains?
A
consumer
B
carnivore
C
producer
D
herbivore
3) 3. A population is made up of individual members of the same
A
community
B
habitat
C
species
D
ecosystem
4) 4. What type of species interaction directly benefits both species involved?
A
parasitism
B
mutualism
C
commensalism
D
symbiosis
5) 5. An animal that eats only plants is a(n)
A
herbivore
B
detritivore
C
omnivore
D
carnivore
6) 6. How do consumers always obtain energy?
A
by absorbing detritus
B
by capturing radiation from the sun
C
by eating plants
D
by eating organisms
7) 7. What will most likely happen if two species compete for the exact same resources in the same ecosystem at the same time?
A
Eventually one species will outcompete the other into extinction or emigration.
B
Eventually one species will hunt the other species until it becomes extinct.
C
Eventually the ecosystem will adapt to provide enough resources for both species.
D
Eventually the resources will be depleted and both species will die out.
8) 8. Which of the following is an example of parasitism?
A
wolves and rabbits living in the forest
B
clownfish living in a sea anemone
C
blue jays living in a maple tree
D
fleas living on a dog
9) 9. An herbivore is a
A
producer
B
primary consumer
C
secondary consumer
D
tertiary consumer
10) 10. Tiger sharks could be considered a keystone species because they
A
are able to adapt to most types of marine ecosystems
B
have little impact on other aquatic populations
C
keep turtle populations under control, which protects sea grasses
D
are at the highest trophic level of a food pyramid
11) 11. When communities form in previous uninhabited areas, this is called
A
primary succession
B
a keystone species
C
secondary succession
D
a climax community
12) 12. Common decomposers include
A
bacteria and fungi
B
algae and plants
C
algae and bacteria
D
fungi and plants
13) 13. How do abiotic factors and biotic factors differ?
A
Abiotic factors do not affect biotic factors.
B
Only biotic factors are part of an ecosystem.
C
Biotic factors are living, and abiotic factors are nonliving.
D
Abiotic factors in an ecosystem never change.
*select an answer for all questions
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