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Unit Test Review 2
Test Description: Test review
Instructions: Answer all questions to get your test result.
1) Organisms that must rely on other organisms for food are called _________
A
food chain
B
niche
C
producers
D
consumers
2) The sequence in which organisms feed on each other is called a(n) ______
A
distribution
B
Food chain
C
niche
D
Food web
3) The unique role that an organism plays in its ecosystem is called its_______
A
habitat
B
food chain
C
ecology
D
niche
4) Why are all animals considered consumers
A
they need to eat another thing to live
B
they aren't
C
they use gas
D
they make their own food
5) How does a food chain differ from a food web?
A
the both show frogs and flies
B
a chain shows many paths of energy, a web doesnt
C
a chain shows one path, a web shows many
D
they are the same
6) all the different forms of life on earth
A
symbiosis
B
mutation
C
biodiversity
D
ecosystems
7) a close relationship between two species
A
extinction
B
symbiosis
C
taxonomy
D
biodiversity
8) a sudden change in an organism’s genes
A
symbiosis
B
mutation
C
taxonomy
D
extinction
9) the science of the classification of species
A
mutation
B
ecosystem
C
symbiosis
D
taxonomy
10) the loss of all members of a species
A
symbiosis
B
extinction
C
mutation
D
taxonomy
11) a person who wants to preserve and protect species
A
conservationist
B
biodiversity
C
mutation
D
taxonomy
12) examples include beaches, rivers, forests, and marshes
A
mutations
B
symbiosis
C
exintction
D
ecosystems
13) Removing a(n) _______ species from an ecosystem can reduce biodiversity
A
parasitic
B
endangered
C
keystone
D
touchstone
14) The relationship where one organism benefits and the other is unaffected is called_______
A
parasitism
B
diversity
C
commensalism
D
mutualism
15) A(n) ______ is an organism that provides food for a parasite.
A
adaption
B
tentacle
C
mutualism
D
host
16) The English scientist who studied finches on the Galapagos Islands was named
A
Irwin
B
Darwin
C
Hooke
D
Johnson
17) A(n) _______ is a trait that makes an organism better suited to the environment.
A
immunity
B
symbiosis
C
adaptation
D
endemic
18) The different forms of genes in living things, or _____, can increase Earth’s biodiversity
A
hosts
B
symbiosis
C
immunity
D
genetic diversity
19) A small part of a larger unit is called____
A
sample
B
adaptation
C
specimen
D
rapid assessment
20) Green plants provide humans with________
A
carbon dioxide
B
water
C
carbon monoxide
D
oxygen
*select an answer for all questions
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