Question 1

Which organism is most likely to be preserved as a fossil?

Accepted Answer

A)  a jellyfish
B)  a shelled arthropod
C)  an earthworm
D)  a nematode
E)  a protistan such as an amoeba B

Question 2

While related species do share similar genomes, it is the diversity in genes that makes them phenotypically different. How do most genes change and lead to species diversity?

Accepted Answer

A)  deletions only
B)  additions only
C)  translocations only
D)  any type of mutation
E)  substitutions only D

Question 3

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used.
-A decaying carbon isotope becomes this form of carbon.

Accepted Answer

A)  12C
B)  14C
C)  5730 years
D)  14C to 12C ratio
E)  half-lifeF) decay A

Question 4

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used.
-This is the time it takes for half of a quantity of any radioisotope to decay.

Accepted Answer

A)  12C
B)  14C
C)  5730 years
D)  14C to 12C ratio
E)  half-lifeF) decay

Question 5

Suppose that a dinosaur's footprints were preserved, but that its body was not fossilized upon its death. Evidence of the existence of this organism is provided by which type of fossil?

Accepted Answer

A)  false
B)  impression
C)  indented
D)  trace
E)  print

Question 6

Through ____, a body part of an ancestor is modified differently in different lines of descent.

Accepted Answer

A)  morphological divergence
B)  adaptive divergence
C)  morphological convergence
D)  homologous evolution
E)  natural selection

Question 7

When nineteenth century scientists compared desert plants, differences in their ____ indicated that these plants could not be as closely related as might otherwise be thought.

Accepted Answer

A)  ​appearance
B)  ​spines
C)  ​stems
D)  ​specific habitats
E)  ​reproductive parts

Question 8

Homologous structures share ____.​

Accepted Answer

A)  ​function
B)  ​all the same bones
C)  ​ancestry
D)  ​size
E)  ​shape

Question 9

Thomas Malthus proposed that ____.

Accepted Answer

A)  species gradually improved over generations because of an inherent drive toward perfection
B)  humans reproduce beyond the capacity of their environment to sustain them
C)  the food supply and populations multiplied at the same rate
D)  artificial selection was the key to evolution
E)  natural selection was the key to evolution

Question 10

Most scientists believe that the dinosaurs went extinct due to ____.

Accepted Answer

A)  runaway global warming
B)  competition from early mammals
C)  a meteorite impact
D)  a pandemic disease
E)  unknown causes

Question 11

How does carbon-14 dating work?

Accepted Answer

The answer of How does carbon-14 dating work?...

Question 12

Certain species have weaker fossil records because they ____.

Accepted Answer

A)  persisted for a long time
B)  had hard body parts
C)  were concentrated in one geological area
D)  lived in dense populations
E)  had a widespread distribution

Question 13

Individuals that are better suited to their environment are likely to have more offspring and pass their genetic material onto future generations. This is referred to as ____.

Accepted Answer

A)  evolutionary success
B)  genetic strength
C)  fitness
D)  inheritance strength
E)  survival

Question 14

The wings of a bird and the wings of a butterfly are ____ and show morphological ____.

Accepted Answer

A)  homologous; convergence
B)  analogous; convergence
C)  homologous; divergence
D)  analogous; divergence
E)  similar; evolution

Question 15

Match the statements with one of the geologic times listed below.
-mammals first appear

Accepted Answer

A)  Carboniferous
B)  Cretaceous
C)  Ordovician
D)  Pleistocene
E)  Triassic

Question 16

During which epoch did the first major extinction occur?

Accepted Answer

A)  Eocene
B)  Oligocene
C)  Miocene
D)  Pleistocene
E)  Ordovician

Question 17

Match the description with the correct term.
-ruptures in Earth's crust where plates meet

Accepted Answer

A)  fault
B)  trench
C)  ridge
D)  hot spot
E)  plate tectonics

Question 18

Match the description with the correct term.
-theory that Earth's outer layer of rock is cracked into plates that slowly move over time
​

Accepted Answer

A)  fault
B)  trench
C)  ridge
D)  hot spot
E)  plate tectonics

Question 19

-Similarities between flightless birds such as the emu, rhea, and ostrich provide ____ support for evolution.?

Accepted Answer

A)  morphological
B)  biochemical
C)  genetic
D)  biogeographical
E)  statistical

Question 20

Locations where molten rock ruptures a tectonic plate are called ____.

Accepted Answer

A)  hot spots
B)  faults
C)  ridges
D)  weak spots
E)  trenches

Exam 16: Evidence of Evolution

Which organism is most likely to be preserved as a fossil?

While related species do share similar genomes, it is the diversity in genes that makes them phenotypically different. How do most genes change and lead to species diversity?

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used. -A decaying carbon isotope becomes this form of carbon.

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used. -This is the time it takes for half of a quantity of any radioisotope to decay.

Suppose that a dinosaur's footprints were preserved, but that its body was not fossilized upon its death. Evidence of the existence of this organism is provided by which type of fossil?

Through ____, a body part of an ancestor is modified differently in different lines of descent.

When nineteenth century scientists compared desert plants, differences in their ____ indicated that these plants could not be as closely related as might otherwise be thought.

Homologous structures share ____.

Thomas Malthus proposed that ____.

Most scientists believe that the dinosaurs went extinct due to ____.

How does carbon-14 dating work?

Certain species have weaker fossil records because they ____.

Individuals that are better suited to their environment are likely to have more offspring and pass their genetic material onto future generations. This is referred to as ____.

The wings of a bird and the wings of a butterfly are and show morphological .

Match the statements with one of the geologic times listed below. -mammals first appear

During which epoch did the first major extinction occur?

Match the description with the correct term. -ruptures in Earth's crust where plates meet

Match the description with the correct term. -theory that Earth's outer layer of rock is cracked into plates that slowly move over time

-Similarities between flightless birds such as the emu, rhea, and ostrich provide ____ support for evolution.?

Locations where molten rock ruptures a tectonic plate are called ____.

Exam 16: Evidence of Evolution

Which organism is most likely to be preserved as a fossil?

While related species do share similar genomes, it is the diversity in genes that makes them phenotypically different. How do most genes change and lead to species diversity?

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used. -A decaying carbon isotope becomes this form of carbon.

The age of fossils can be determined by radiometric dating. Match the following terms with the best descriptions. Note that all options may not be used. -This is the time it takes for half of a quantity of any radioisotope to decay.

Suppose that a dinosaur's footprints were preserved, but that its body was not fossilized upon its death. Evidence of the existence of this organism is provided by which type of fossil?

Through ____, a body part of an ancestor is modified differently in different lines of descent.

When nineteenth century scientists compared desert plants, differences in their ____ indicated that these plants could not be as closely related as might otherwise be thought.

Homologous structures share ____.​

Thomas Malthus proposed that ____.

Most scientists believe that the dinosaurs went extinct due to ____.

How does carbon-14 dating work?

Certain species have weaker fossil records because they ____.

Individuals that are better suited to their environment are likely to have more offspring and pass their genetic material onto future generations. This is referred to as ____.

The wings of a bird and the wings of a butterfly are ____ and show morphological ____.

Match the statements with one of the geologic times listed below. -mammals first appear

During which epoch did the first major extinction occur?

Match the description with the correct term. -ruptures in Earth's crust where plates meet

Match the description with the correct term. -theory that Earth's outer layer of rock is cracked into plates that slowly move over time ​

-Similarities between flightless birds such as the emu, rhea, and ostrich provide ____ support for evolution.?

Locations where molten rock ruptures a tectonic plate are called ____.

Homologous structures share ____.

The wings of a bird and the wings of a butterfly are and show morphological .

Match the description with the correct term. -theory that Earth's outer layer of rock is cracked into plates that slowly move over time