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Chapter 6, 7th Grade
Test Description: Fossil record, natural selection
Instructions: Answer all questions to get your test result.
1) The fossil record contains a fossil of every organism that has ever been on the planet.
A
True
B
False
2) Out of the following, which would make the best fossil?
A
jellyfish
B
all of the above
C
worms
D
shark's tooth
3) When minerals replace an organism's original material and harden into rock, what happened?
A
carbonization
B
mineralization
C
preservation
D
trace fossils
4) Absolute age dating is more precise than relative age dating.
A
true
B
false
5) Scientists measure the ratio of unstable to stable ___ to find the absolute age of rock.
A
nuclei
B
cells
C
isotopes
D
ions
6) The divisions on the geologic time scale are evenly divided.
A
false
B
true
7) What can cause an extinction?
A
volcanic eruption
B
tectonic plate movement
C
all of the above
D
meteorite impact
8) Charles Darwin was a ___ on a British naval ship.
A
captain
B
naturalist
C
doctor
D
surveyor
9) Darwin realized that the differences in the Galapagos tortoises were related to
A
the finches on the island
B
all of the above
C
the food sources
D
their predators
10) Variation occurs naturally as a result of sexual reproduction
A
true
B
false
11) Which is not a step in natural selection?
A
assimilation
B
competition
C
variation
D
reproduction
12) An inherited trait that increases an organism's chance of surviving and reproducing is a(n)
A
variation
B
constipation
C
conflagration
D
adaptation
13) Adaptation that involve color, shape, and other physical characteristics are
A
behavioral adaptations
B
none of the above
C
functional adaptations
D
structural adaptations
14) The resemblance of one species to another is called
A
uniformity
B
duality
C
camouflage
D
mimicry
15) What makes selective breeding different from natural selection?
A
inherited traits are chosen by humans in selective breeding
B
inherited traits are the result of mutations in selective breeding
C
inherited traits are exactly like the parents in natural selection
D
inherited traits are chosen by humans in natural selection
16) The study of similarities and differences among structures of living species is called
A
homologous anatomy
B
comparative anatomy
C
selective anatomy
D
Grey's anatomy
17) The similarities in the bones of bats' wings, frogs' legs, humans' arms, and cats' legs suggest
A
they have absolutely nothing in common
B
they could all fly, walk, or grab if they tried hard enough
C
they are related
D
they are all the same organism
18) Body parts that perform a similar function but differ in structure are
A
homologous structures
B
analogous structures
C
vestigial structures
D
different structures
19) The more similar the genes and proteins of two organisms are...
A
the less closely related they are
B
none of the above
C
the more closely related they are
D
the more of a coincidence it is
20) The science of the development of embryos from fertilization to birth is called
A
obstetrics
B
developmentology
C
embryology
D
pharyngeology
*select an answer for all questions
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