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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
tidal pool
B
lake
C
pond
D
riiver
2) 2. What type of organism is at the basis of all food chains?
A
herbivore
B
consumer
C
carnivore
D
producer
3) 3. A population is made up of individual members of the same
A
habitat
B
ecosystem
C
species
D
community
4) 4. What type of species interaction directly benefits both species involved?
A
mutualism
B
symbiosis
C
commensalism
D
parasitism
5) 5. An animal that eats only plants is a(n)
A
detritivore
B
carnivore
C
herbivore
D
omnivore
6) 6. How do consumers always obtain energy?
A
by eating plants
B
by absorbing detritus
C
by eating organisms
D
by capturing radiation from the sun
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 the ecosystem will adapt to provide enough resources for both species.
B
Eventually one species will outcompete the other into extinction or emigration.
C
Eventually the resources will be depleted and both species will die out.
D
Eventually one species will hunt the other species until it becomes extinct.
8) 8. Which of the following is an example of parasitism?
A
blue jays living in a maple tree
B
wolves and rabbits living in the forest
C
fleas living on a dog
D
clownfish living in a sea anemone
9) 9. An herbivore is a
A
primary consumer
B
secondary consumer
C
tertiary consumer
D
producer
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
are at the highest trophic level of a food pyramid
D
keep turtle populations under control, which protects sea grasses
11) 11. When communities form in previous uninhabited areas, this is called
A
a keystone species
B
primary succession
C
a climax community
D
secondary succession
12) 12. Common decomposers include
A
algae and plants
B
algae and bacteria
C
fungi and plants
D
bacteria and fungi
13) 13. How do abiotic factors and biotic factors differ?
A
Biotic factors are living, and abiotic factors are nonliving.
B
Abiotic factors in an ecosystem never change.
C
Only biotic factors are part of an ecosystem.
D
Abiotic factors do not affect biotic factors.
*select an answer for all questions
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