Chapter 6, 7th Grade Question Preview (ID: 36539)


Fossil Record, Natural Selection. TEACHERS: click here for quick copy question ID numbers.

The fossil record contains a fossil of every organism that has ever been on the planet.
a) True
b) False
c)
d)

Out of the following, which would make the best fossil?
a) worms
b) jellyfish
c) shark's tooth
d) all of the above

When minerals replace an organism's original material and harden into rock, what happened?
a) mineralization
b) carbonization
c) trace fossils
d) preservation

Absolute age dating is more precise than relative age dating.
a) true
b) false
c)
d)

Scientists measure the ratio of unstable to stable ___ to find the absolute age of rock.
a) ions
b) cells
c) nuclei
d) isotopes

The divisions on the geologic time scale are evenly divided.
a) true
b) false
c)
d)

What can cause an extinction?
a) volcanic eruption
b) meteorite impact
c) tectonic plate movement
d) all of the above

Charles Darwin was a ___ on a British naval ship.
a) doctor
b) naturalist
c) surveyor
d) captain

Darwin realized that the differences in the Galapagos tortoises were related to
a) their predators
b) the finches on the island
c) the food sources
d) all of the above

Variation occurs naturally as a result of sexual reproduction
a) true
b) false
c)
d)

Which is not a step in natural selection?
a) reproduction
b) variation
c) competition
d) assimilation

An inherited trait that increases an organism's chance of surviving and reproducing is a(n)
a) variation
b) adaptation
c) conflagration
d) constipation

Adaptation that involve color, shape, and other physical characteristics are
a) behavioral adaptations
b) functional adaptations
c) structural adaptations
d) none of the above

The resemblance of one species to another is called
a) camouflage
b) mimicry
c) uniformity
d) duality

What makes selective breeding different from natural selection?
a) inherited traits are chosen by humans in natural selection
b) inherited traits are the result of mutations in selective breeding
c) inherited traits are chosen by humans in selective breeding
d) inherited traits are exactly like the parents in natural selection

The study of similarities and differences among structures of living species is called
a) homologous anatomy
b) selective anatomy
c) Grey's anatomy
d) comparative anatomy

The similarities in the bones of bats' wings, frogs' legs, humans' arms, and cats' legs suggest
a) they are all the same organism
b) they have absolutely nothing in common
c) they are related
d) they could all fly, walk, or grab if they tried hard enough

Body parts that perform a similar function but differ in structure are
a) vestigial structures
b) homologous structures
c) analogous structures
d) different structures

The more similar the genes and proteins of two organisms are...
a) the more closely related they are
b) the less closely related they are
c) the more of a coincidence it is
d) none of the above

The science of the development of embryos from fertilization to birth is called
a) embryology
b) developmentology
c) pharyngeology
d) obstetrics

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