Question 1

The theory of Evolution by Natural Selection is best described by which of the following statements?

Accepted Answer

A)  an educated guess
B)  an explanation supported by all the evidence and a principle of biology that has never been disproved
C)  not accepted by the scientific community
D)  predicted but not proved
E)  None of the above are correct. B

Question 2

A barcode gene used for discriminating between plant species is the ________ gene.

Accepted Answer

A)  rbcL
B)  nitP
C)  coxL
D)  brcA
E)  Ecoli A

Question 3

Species are fixed entities,unchanging over time.

Accepted Answer

A) True 
 B)False  False

Question 4

The PhyloCode abandons the Linnaean ranks of the taxonomic hierarchy,recognizing only clades,not necessarily specific Linnaean ranks.

Accepted Answer

A) True 
 B)False

Question 5

Most scientists would agree that losing 10 percent of the currently classified 1.4 million species would not directly affect the biodiversity of Earth.

Accepted Answer

A) True 
 B)False

Question 6

In the taxonomic hierarchy,related genera are grouped into which of the following?

Accepted Answer

A)  species
B)  order
C)  family
D)  class
E)  kingdom

Question 7

What was Darwin's "job" aboard the HMS Beagle?

Accepted Answer

A)  naturalist
B)  surveyor
C)  cook
D)  companion to the captain
E)  None of the above are correct.

Question 8

What is a clade?

Accepted Answer

A)  a group of individuals that share a similar morphology
B)  any group of individuals or of higher taxonomic rank of any size that share common ancestry
C)  a group of individuals that interbreed successfully
D)  a group of individuals that are genetically similar
E)  a taxonomic group assembled from individuals that look similar

Question 9

There is a current movement to replace the artificial Linnaean taxonomic scheme with a ________ scheme.

Accepted Answer

A)  genealogical
B)  phylogenetic
C)  morphological
D)  ecological
E)  cosmological

Question 10

Which of the following is not a problem with the biological species concept?

Accepted Answer

A)  Many related plant species can interbreed.
B)  Many plants within the same species cannot interbreed.
C)  Plants in different species may be very similar morphologically.
D)  All of these are problems with the biological species concept.
E)  None of the above are correct.

Question 11

One piece of information missing from Darwin's Theory of Evolution was which of the following?

Accepted Answer

A)  proof that organisms actually evolve
B)  an explanation for how species evolve
C)  the mechanism for phenotypic variation
D)  data that showed populations overproduce offspring
E)  None of the above are correct.

Question 12

________ is a clade-based alternative to the Linnaean binomial system.

Accepted Answer

The answer of ________ is a clade-based alternative to the...

Question 13

The four underlying conditions of Darwin's Theory of Evolution by Natural Selection are as follows: variation,overproduction of offspring,competition,and the reproduction of the fittest (those that leave the most offspring).

Accepted Answer

A) True 
 B)False

Question 14

The phylogenetic system was a method of naming plants that included a lengthy description.

Accepted Answer

A) True 
 B)False

Question 15

________ published On the Origin of Species in 1859 in which he presented his theory of evolution by means of natural selection.

Accepted Answer

The answer of ________ published On the Origin of Species...

Question 16

How many species are estimated to be lost from the tropical rain forests per year?

Accepted Answer

A)  90
B)  900
C)  9000
D)  90000
E)  None of the above are correct.

Question 17

Scientific names are unique because a scientific name can only be assigned to a single species.

Accepted Answer

A) True 
 B)False

Question 18

Barcoding relies on a "genetic barcode," a short segment of DNA that is used as a standard for a particular group of organisms,and not necessarily on an "expert" for that group.

Accepted Answer

A) True 
 B)False

Question 19

What was one of the observations Darwin made in the Galapagos Islands?

Accepted Answer

A)  Species on the island shared similarities to species on the adjacent mainland but with some distinct differences.
B)  Species on the island did not have counterparts on the adjacent mainland as if they were separately created.
C)  Species on the island were identical to species on the adjacent mainland but much smaller.
D)  There were no differences between species on the island and species on the adjacent mainland.
E)  All of the above statements are correct.

Question 20

Which of the following is not one of the underlying premises of Darwin's theory of natural selection?

Accepted Answer

A)  All natural populations tend to overproduce.
B)  There is competition for scarce resources in nature.
C)  Members in a species exhibit heritable differences.
D)  Those individuals better adapted to their environment will survive and reproduce at a higher rate.
E)  The best adapted organisms are always those that are stronger or faster.

Exam 8: Plant Systematics and Evolution

The theory of Evolution by Natural Selection is best described by which of the following statements?

A barcode gene used for discriminating between plant species is the ________ gene.

Species are fixed entities,unchanging over time.

The PhyloCode abandons the Linnaean ranks of the taxonomic hierarchy,recognizing only clades,not necessarily specific Linnaean ranks.

Most scientists would agree that losing 10 percent of the currently classified 1.4 million species would not directly affect the biodiversity of Earth.

In the taxonomic hierarchy,related genera are grouped into which of the following?

What was Darwin's "job" aboard the HMS Beagle?

What is a clade?

There is a current movement to replace the artificial Linnaean taxonomic scheme with a ________ scheme.

Which of the following is not a problem with the biological species concept?

One piece of information missing from Darwin's Theory of Evolution was which of the following?

________ is a clade-based alternative to the Linnaean binomial system.

The four underlying conditions of Darwin's Theory of Evolution by Natural Selection are as follows: variation,overproduction of offspring,competition,and the reproduction of the fittest (those that leave the most offspring).

The phylogenetic system was a method of naming plants that included a lengthy description.

________ published On the Origin of Species in 1859 in which he presented his theory of evolution by means of natural selection.

How many species are estimated to be lost from the tropical rain forests per year?

Scientific names are unique because a scientific name can only be assigned to a single species.

Barcoding relies on a "genetic barcode," a short segment of DNA that is used as a standard for a particular group of organisms,and not necessarily on an "expert" for that group.

What was one of the observations Darwin made in the Galapagos Islands?

Which of the following is not one of the underlying premises of Darwin's theory of natural selection?