Genes for traits that help an organism be more successful reproductively can be expected to

become more common in the future.

Which of the following is NOT a principle of natural selection?

Evolution occurs as an organism gets older and learns more

Read the following question about Genetic Variation carefully:

Some may be resistant and survive.

Which of the following is NOT an example of evolution?

A caterpillar going through a change into a butterfly

a trait that helps an organism survive in its environment.

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Duplicate of Concept 1: Natural Selection

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A biology quiz covering the basics of evolution.

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Questions 11

Answers

1
Genes for traits that help an organism be more successful reproductively can be expected to
cause it to evolve into a new species.
eventually be eliminated by natural selection.
become more common in the future.
cause the extinction of the species.
2
Individuals that are well adapted to their environment will survive and produce
more offspring.
better traits.
stronger genes.
fewer mutations.
3
Read the following question carefully:
convergent evolution
sexual selection
natural selection
coevolution
4
Natural selection results in change over time by acting on traits that are
heritable
better
new
mutated
5
Genetic diversity is ultimately/mainly the result of
reproduction
mutations
viruses
meiosis
6
Which of the following does NOT increase genetic variation?
Crossing over
Mutations
Gene flow
Mitosis
7
Which of the following is NOT a principle of natural selection?
Most species produce more offspring than will reproduce
Adaptation allows some organisms to survive and reproduce
Organisms complete for limited resources
Evolution occurs as an organism gets older and learns more
8
One of the major elements of natural selection is that all species have genetic _______.
stability
melanism
variation
digression
9
Read the following question about Genetic Variation carefully:
All of the bacteria are already resistant.
Some may be resistant and survive.
The population will grow quickly.
They will get better at obtaining a food source.
10
Which of the following is NOT an example of evolution?
Human brains becoming larger over time
All species of tortoises descending from common ancestors
Horses becoming taller and faster over millions of years
A caterpillar going through a change into a butterfly
11
An adaptation is
a trait that helps an organism survive in its environment.
a gene an organism has.
how an organism evolves during its own lifetime.
any trait an organism possesses.

Duplicate of Concept 1: Natural Selection Flashcards | StudBud