Item: Final Exam
Score:
91/95
(Calculated) scaled to 95.78/100
95%
95%
Due: Sunday, November 25, 2018 11:59 PM
Due
Monday, November 26, 2018 12:14 AM
(lat
Submitte
Sunday, November 25, 2018 10:05 PM
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Answers: 1. To which one of the following is the bat's wing NOT homologous?
the lion's foreleg
the dragonfly's wing
the human's arm
the whale's flipper
the bird's wing
2.
Which of the following is an example of a vestigial structure?
molars in bats that consume a completely liquid diet
eye sockets in eyeless cave-dwelling fish
pelvic bones in whales
All of the above answer choices are examples of vestigial structures.
Correct Answer: Only the first and second answer choices are examples of
vestigial structures.
3.
Which of the following types of organisms is immune to viral infection?
protists
fungi
birds
plants
All of these organisms are susceptible to viral infections.
4.
Archaea and bacteria diverged:
after archaea and eukarya diverged.
before archaea and eukarya diverged.
before bacteria and eukarya diverged.
after bacteria and eukarya diverged.
when archaea and eukarya diverged.
5.
Life histories are based on:
, 1
the rate of growth and development.
the age at death.
the age of reproduction and the number of reproductive events.
the amount of energy available to an individual at birth.
All of the above are the bases for life histories.
6.
What does it mean in conservation biology to say a habitat is fragmented?
The habitat is found on more than one part of the world.
The habitat exists in patches that are physically isolated from each other.
The habitat consists of many different species living together.
The habitat has areas that experience vastly different weather conditions.
The habitat is being studied by more than one conservative biologist.
7.
All fungi are multicellular, but some also have a unicellular form known as
a fruiting body.
yeast
spores.
hyphae.
seeds.
8.
In a fish population in a shallow stream, the genotypic frequency of yellowish-
brown fish and greenish-brown fish changed significantly after a flash flood
randomly swept away individuals from that stream. This change in genotypic
frequency is most likely attributable to
gene flow.
disruptive selection.
directional selection.
genetic drift.
the founder effect.
9.
Which of the following is NOT a factor that limits population growth?
insufficient food supply
accumulation of waste products
density of parasites
lack of nesting space
All of these factors may limit population growth.
10.
Population density is determined by the number of: