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