Answers24 - 25 CR - Biology B 0411KBLab: Natural Selection-Standard Bio 4.2

Biological Evidence and the Fossil Record Answers

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1
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Wisdom teeth are the third and final set of human molars that come in during the late teens or early twenties. In some cases, these teeth come in without problems, but they often have to be removed due to misalignment in the jaw, as shown below. Removal of the teeth does not cause any long-term complications in regard to eating.Which type of anatomic structure are wisdom teeth?

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A
vestigial
B
homologous
C
analogous
D
heterologous
2
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Which lists the correct order of evolutionary history?

A
crabs, jellyfish, reptiles
B
mammals, amphibians, crabs
C
vertebrate fish, crabs, mammals
D
jellyfish, reptiles, mammals
3

A scientist makes the argument that she has found DNA evidence that shows that evolution does not exist. What would her evidence have to show for her to be correct?

A
Strong genetic similarities in closely related organisms and weak genetic similarities in distantly related organisms.
B
Weak genetic similarities in closely related organisms and strong genetic similarities in distantly related organisms.
C
Strong physical similarities among closely related organisms and also among distantly related organisms.
D
Weak physical similarities among closely related organisms and also among distantly related organisms.
4

Australopithecus is an ape that lived in trees, but could walk on two feet. How might fossils from Australopithecus provide evidence for evolution?

A
Australopithecus is a fossil that is used to date other Precambrian fossils.
B
Australopithecus provides evidence of the existence of apes, but not humans.
C
Australopithecus is a transitional form between apes and humans.
D
Australopithecus provides evidence that humans existed.
5

What do gradualism and punctuated equilibrium have in common?

A
They are both explanations of the rate of evolutionary change.
B
They are both explanations that were put forth by Darwin.
C
They both discredit the theory of evolution.
D
They both utilize radioactive dating over relative dating.
6

Whales have what seem like remnants of a pelvis and femur, as shown here.What are these structures an example of?

Question illustration
A
transitional structures
B
analogous structures
C
vestigial structures
D
adapted structures

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