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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
owl
B
frog
C
grass
D
snake
2) Decomposers get most of their energy from decaying organisms. Most of this is in the form of ________
A
primary consumers
B
secondary consumers
C
tertiary consumers
D
producers
3) Using fig. 1, what does the frog rely on for energy?
A
secondary consumer
B
producer
C
tertiary consumer
D
primary consumer
4) Using fig. 1, what organism would be most impacted if the deer population were to decrease drastically?
A
owl
B
rabbit
C
hawk
D
mountain lion
5) Using fig. 2, which is a primary consumer?
A
spider
B
mouse
C
hawk
D
toad
6) Using fig. 2, which organism would receive the most energy on an energy pyramid?
A
garter snake
B
hawk
C
spider
D
rabbit
7) Using fig. 3, a bobcat would be at trophic level _____.
A
4
B
1
C
2
D
3
8) Using fig. 3, which organism is considered to be an autotroph?
A
garter snake
B
sparrow
C
toad
D
grass
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
50
B
20
C
10
D
5
11) Using fig. 4, level c is the ________ trophic leve.
A
1
B
3
C
4
D
2
12) _______ are organisms that eat both plants and animals.
A
carnivores
B
omnivores
C
producers
D
herbivores
13) A(n) _________ is an organism that gets its energy from heterotrophs only.
A
producer
B
herbivore
C
onmivore
D
carnivore
14) A _______ helps to break down (recycle) organisms in an ecosystem.
A
herbivore
B
scavanger
C
decomposer
D
parasite
15) A ________ gets its energy from a dead animal.
A
Decomposer
B
Producer
C
Scavanger
D
Omnivore
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
2
B
4
C
3
D
1
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
3
B
1
C
4
D
2
18) Water, nitrogen, and carbon are _______ within an ecosystem.
A
lost
B
always decreasing
C
always increasing
D
recycled
19) As energy is transferred up the energy pyramid, the amount of energy ________.
A
decreases
B
remains the same
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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