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Unit 2 Ecology Ch 18.2 And 19.2 Test
Test Description: ...
Instructions: Answer all questions to get your test result.
1) Using fig. 1, which is a tertiary consumer?
A
snake
B
owl
C
grass
D
frog
2) Decomposers get most of their energy from decaying organisms. Most of this is in the form of ________
A
producers
B
primary consumers
C
secondary consumers
D
tertiary consumers
3) Using fig. 1, what does the frog rely on for energy?
A
producer
B
tertiary consumer
C
primary consumer
D
secondary consumer
4) Using fig. 1, what organism would be most impacted if the deer population were to decrease drastically?
A
hawk
B
rabbit
C
owl
D
mountain lion
5) Using fig. 2, which is a primary consumer?
A
toad
B
mouse
C
spider
D
hawk
6) Using fig. 2, which organism would receive the most energy on an energy pyramid?
A
hawk
B
spider
C
rabbit
D
garter snake
7) Using fig. 3, a bobcat would be at trophic level _____.
A
3
B
1
C
4
D
2
8) Using fig. 3, which organism is considered to be an autotroph?
A
grass
B
toad
C
garter snake
D
sparrow
9) Using fig. 3, which is herbivore?
A
Deer
B
Coyote
C
Bird
D
Bobcat
10) Using fig. 4, the arrows reflect the energy that is used from one level to the next on an energy pyramid. This used energy is around ______ % for each level.
A
10
B
20
C
5
D
50
11) Using fig. 4, level c is the ________ trophic leve.
A
2
B
1
C
3
D
4
12) _______ are organisms that eat both plants and animals.
A
carnivores
B
herbivores
C
omnivores
D
producers
13) A(n) _________ is an organism that gets its energy from heterotrophs only.
A
herbivore
B
onmivore
C
producer
D
carnivore
14) A _______ helps to break down (recycle) organisms in an ecosystem.
A
scavanger
B
decomposer
C
parasite
D
herbivore
15) A ________ gets its energy from a dead animal.
A
Omnivore
B
Producer
C
Decomposer
D
Scavanger
16) In an ecosystem, a rabbit and mouse get their energy from grass, a snake gets its energy from a rabbit and mouse; and a hawk gets its energy from a snake. What trophic level is grass?
A
3
B
1
C
4
D
2
17) In an ecosystem, a rabbit and mouse get their energy from grass, a snake gets its energy from a rabbit and mouse; and a hawk gets its energy from a snake. What trophic level is hawk?
A
2
B
1
C
4
D
3
18) Water, nitrogen, and carbon are _______ within an ecosystem.
A
lost
B
always increasing
C
always decreasing
D
recycled
19) As energy is transferred up the energy pyramid, the amount of energy ________.
A
remains the same
B
decreases
C
increases
20) An autotroph gets its energy from ____________
A
the Sun
B
dead organisms
C
other living organisms
D
decomposers
*select an answer for all questions
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