Question 1

The common ancestor that produced the most evolutionary recent derived characters is

Accepted Answer

A)  12
B)  9
C)  8
D)  6E) A) and D)
F) A) and C)

Question 2

The most plausible explanation for the high number of spiders in plot 4 is:

Accepted Answer

A)  there are too many flies overall.
B)  there are no centipedes to prey on the spiders and there are abundant flies upon which to feed.
C)  the spiders preyed on the centipedes and ignored the flies.
D)  the flies and spiders worked together to eliminate the centipedes.E) A) and D)
F) All of the above

Question 3

If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?

Accepted Answer

A)  The species in lower layer died first
B)  They died at the same time
C)  The species in the higher layer evolved from the species in the lower layer
D)  The species in the higher layer died firstE) A) and B)
F) A) and D)

Question 4

While you are riding the ski lift up to the top of the mountain on a very cold day you start to shiver involuntarily.You know that the shivering is your body's attempt to help regulate your body temperature and is an example of what type of mechanism?

Accepted Answer

A)  sensitivity
B)  evolutionary adaptation
C)  homeostasis
D)  energy utilizationE) A) and B)
F) A) and C)

Question 5

You have been assigned to address a problem of overpopulation of species X in a nearby county.One of the members of your team suggests introducing species Y, which is a natural predator of species X, but not normally found in the area.After some discussion, you go ahead and introduce species Y.What aspects of the hierarchical organization may be affected within a period of a several years?

Accepted Answer

A)  organism, population, species
B)  population, species, community, biosphere
C)  population, species, community
D)  population, communityE) A) and D)
F) A) and B)

Question 6

Based on hierarchical levels of biological organization, which of these choices represents the broadest level?

Accepted Answer

A)  Endocrine system
B)  3 toed sloths
C)  School of piranhas
D)  Amazon BasinE) A) and D)
F) A) and C)

Question 7

Both walnut and Gingko trees lose their leaves in the fall when day length starts decreasing.Based on these observations one may conclude that many tree species will lose their leaves in the fall in response to decreasing day length.This statement is an example of:

Accepted Answer

A)  inductive reasoning
B)  a theory
C)  deductive reasoning
D)  an experimentE) B) and D)
F) B) and C)

Exam 1: The Science of Biology

The most plausible explanation for the high number of spiders in plot 4 is:

Correct Answer
verified

While you are riding the ski lift up to the top of the mountain on a very cold day you start to shiver involuntarily.You know that the shivering is your body's attempt to help regulate your body temperature and is an example of what type of mechanism?

Correct Answer
verified

If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?

Correct Answer
verified

Based on hierarchical levels of biological organization, which of these choices represents the broadest level?

Correct Answer
verified

Both walnut and Gingko trees lose their leaves in the fall when day length starts decreasing.Based on these observations one may conclude that many tree species will lose their leaves in the fall in response to decreasing day length.This statement is an example of:

Correct Answer
verified

The common ancestor that produced the most evolutionary recent derived characters is

Correct Answer
verified

Correct Answer
verified

Exam 1: The Science of Biology

The most plausible explanation for the high number of spiders in plot 4 is:

Correct AnswerverifiedShow Answer

While you are riding the ski lift up to the top of the mountain on a very cold day you start to shiver involuntarily.You know that the shivering is your body's attempt to help regulate your body temperature and is an example of what type of mechanism?

Correct AnswerverifiedShow Answer

If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?

Correct AnswerverifiedShow Answer

Based on hierarchical levels of biological organization, which of these choices represents the broadest level?

Correct AnswerverifiedShow Answer

Both walnut and Gingko trees lose their leaves in the fall when day length starts decreasing.Based on these observations one may conclude that many tree species will lose their leaves in the fall in response to decreasing day length.This statement is an example of:

Correct AnswerverifiedShow Answer

The common ancestor that produced the most evolutionary recent derived characters is

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified