Evolution Unit Review

Question 1

The first purple guppy born into a population of gray guppies represents this event:

Accepted Answer

mutation

Question 2

According to this phylogeny, whales and seals form a clade.

Accepted Answer

False

Question 3

According to this phylogeny, seals, bears, and canines form a clade.

Accepted Answer

True

Question 4

Every dinosaur species went extinct 65 million years ago.

Accepted Answer

False

Question 5

The purple guppy has super sexy offspring, and over generations, purple guppies become common.

Accepted Answer

evolution

Question 6

Rhodocetus is an extinct early whale with functional hind limbs. This is an example of a

Accepted Answer

transitional fossil

Question 7

The age of the oldest known fossilized bacterial mats (stromatolites).

Accepted Answer

3.5 billion years

Question 8

The first organisms on Earth were very likely

Accepted Answer

prokaryotic, unicellular, aquatic, autotrophic

Question 9

All of the different kinds of alleles found in a population at a given moment in time:

Accepted Answer

genetic variation, gene pool

Question 10

Members of the carnivore clade have teeth shaped for tearing meat.

Accepted Answer

shared derived character, evolutionary adaptation, homology

Question 11

The modern bowhead whale has a small partial pelvis and femur but no external hind limbs.

Accepted Answer

vestigial structure

Question 12

According to this phylogeny, deer and hippos form a clade.

Accepted Answer

False

Question 13

According to the phylogeny, canines are the closest cousins to bears.

Accepted Answer

False

Question 14

A drug resistant "superbug" bacterial strain

Accepted Answer

evolves quickly because bacteria have short generation times, is more fit than ordinary bacteria when drugs are present

Question 15

According to the phylogeny, wolves and deer share a common ancestor.

Accepted Answer

True

Question 16

How old is our solar system (and Earth)?

Accepted Answer

4.5 billion years

Question 17

Which is NOT a defining feature of life?

Accepted Answer

membrane-bound organelles

Question 18

They COULD produce offspring, but guppies from one pool don't meet guppies from another pool.

Accepted Answer

These are different populations

Question 19

Evolution happens to a(n)

Accepted Answer

population, gene pool

Question 20

Many forms of finches evolved to fill available niches on the young volcanic Galapagos islands.

Accepted Answer

speciation, adaptive radiation

Question 21

Color is heritable, and male guppies range in color from boring to drop dead gorgeous.

Accepted Answer

phenotypic variation, genetic variation

Question 22

During a flood event, guppies from one pool are introduced to another. Then, they interbreed.

Accepted Answer

gene flow

Question 23

Which is NOT a defining feature of life?

Accepted Answer

multicellularity

Question 24

According to this phylogeny, whales and hippos form a clade.

Accepted Answer

True

Question 25

How many clades are depicted in this phylogeny?

Accepted Answer

five

Question 26

Which animal is NOT a member of the tetrapod clade?

Accepted Answer

goldfish

Question 27

The shortened skull of a pug or french bulldog is the result of

Accepted Answer

inbreeding, artificial selection

Question 28

Genetic variation in a population tends to be increased by

Accepted Answer

gene flow

Question 29

Natural selection leads to

Accepted Answer

evolution, evolutionary adaptations

Question 30

Cats on the island of Key West exhibit high rates of polydactyly (extra toes), likely due to...

Accepted Answer

founder effect, genetic drift

Evolution Unit Review

Questions 30

Evolution Unit Review

Questions 30