Evolution Review Question Preview (ID: 22195)


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Any inherited characteristic that increases an organism’s chance for survival and reproduction
a) Adaptation
b) Evolution
c) Variation
d) Natural Selection

A specific version of a characteristic that varies from one individual to another.
a) Trait
b) Adaptation
c) Genes
d) species

The changes in species through time is known as what?
a) Evolution
b) Adaptation
c) Variation
d) Genes

Which best describes an inherited trait that gives an organism a survival advantage in its particular environment?
a) an adaptation
b) an offspring
c) a mutation
d) a habit

Polar bears are naturally found in Arctic environments characterized by snow, ice, and extremely low temperatures. Which best describes an evolutionary adaptation that allows polar bears to survive in this environment?
a) Polar bears have a thick layer of fur and a layer of fat under their skin.
b) Polar bears are warm-blooded.
c) Polar bears are carnivores.
d) Polar bears are born in the Artic

Which represents an adaptation?
a) a bird with a curved wing that allows it to fly faster
b) a turtle with a damaged shell
c) a cat that cannot see in the dark
d) a dog that learns to bark when someone knocks on the door

Which characteristic of organisms allows them to adapt to problems in their environment?
a) genetic variation
b) genetic isolation
c) genetic drift
d) Artificial selection

Which demonstrates genetic variation resulting in a protective adaptation?
a) A butterfly changes colors to look like its poisonous relatives.
b) A bird in the desert breeds at night to avoid the heat.
c) A groundhog runs into a burrow to avoid a predator.
d) A beaver builds a dam to protect its family.

Which must vary among organisms in order to create adaptations that help those organisms survive?
a) Genes
b) physical appearance
c) body composition
d) chemical balance

What is Taxonomy?
a) the branch of science concerned with classification of organisms
b) Something that is helpful in forming a conclusion and is supported by data.
c) A group of organisms with similar characteristics and evolutionary history
d)

The ability of populations of bacteria to develop resistance to antibiotics is an example of which of the following?
a) natural selection
b) ineffective medication
c) specialization
d) competition

Variation is the result of:
a) a random occurrence of a mutations due to genes
b) environment
c) an organism consciously adapting to the environment
d)

Which of the following statements explains genetic variation?
a) genetic mutations occur during the process of reproduction
b) asexual reproduction provides opportunities for new combinations
c) it is an inheritance of an acquired habit
d)

Over long periods of time, some species have become extinct, while new species have descended from earlier species. These changes are known as:
a) evolution
b) adaptation
c) mutation
d) natural section

Answer True or False: Organisms have evolved only over the last few hundred years
a) True
b) False
c)
d)

Answer True or False: Extinct organisms may be related to living organisms
a) True
b) False
c)
d)

“Diversity of species” refers to the idea that:
a) there are many different kinds of organisms
b) not every individual in a species is identical
c) organisms of the same species share the same species name
d) organisms can be classified

Which of the following statements explains genetic variation?
a) genetic mutations occur during the process of reproduction
b) asexual reproduction provides opportunities for new combinations
c) it is an inheritance of an acquired habit
d)

Which of the following could cause the extinction of a species?
a) All answers are correct
b) environmental change
c) loss of food source
d) disease

Which best describes what would occur in a species that has little or no genetic variation?
a) The rate of species survival would decrease over time.
b) The rate of species survival would increase over time.
c) Most of the offspring would survive, but the gene pool would be weakened.
d) Most of the offspring would survive, and the gene pool would be strengthened.

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