Which of the following is NOT an example of natural selection?

People selectively breeding hamsters.

Insect populations developing resistance to certain pesticides.

Bacteria becoming resistant to antibiotics.

Male birds of certain species developing colorful feathers to attract female mates.

Which best describes the role of mutations in natural selection?

A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce

Mutations help an organism to better survive in their environment

An organism may acquire a helpful mutation by interacting with the environment

Organisms with certain traits are more likely to win competitions for mutations

Why are advantageous traits more likely to be passed onto offspring?

Because they are more likely to survive and reproduce.

Because they come from dominant alleles.

Because they come from recessive alleles.

Because the trait is an acquired phenotype.

If species A and B have very similar genes and proteins, what is probably TRUE?

species A and B share a relatively recent common ancestor

species A evolved independently of species B for a long period

species A is younger than species B

species A is older than species B

Similarities in embryonic development shown in the diagrams suggest that these organisms -

May have evolved from a common ancestor.

All undergo external development.

Are all members of the same species.

Have adaptation for the same environment as adults.

A biologist discovers two new species of birds, one in North America and one in Northern Canada. While slightly different, they resemble each other closely. Which type of evidence would be most useful in determining whether or not these organisms are closely related?

A comparison of DNA from the two species

The geologic history of the two areas revealed in the fossil record

Analysis of the ecosystems in which the two species live

Analysis of the breeding and embryo development of the two species

Why might a species of finch have a slightly shorter beak that its ancestors’ beaks?

The shorter-beaked finches had a feeding advantage that became more successful over time.

The ancestor finches had a viral fungi that eroded the keratin of the beaks to the size they are today.

The shorter-beaked finches had beaks that were worn down from overuse.

The shorter beaked finches resulted from a finch mating with a different species.

Organize these adaptations into their correct types:

monarchs migrating south in the fall

bacteria being resistant to antibiotics

Mutations are important because they-

produce genetic variation needed for a population to evolve.

cause death of the organism in which they develop.

always give beneficial adaptations.

allow hardy-weinberg equilibrium within a population.

Organize these options into the right categories:

species share traits but not ancestor

two or more species evolve from common ancestor

birds, butterflies and bats all have wings

Which answer choices has the patterns of evolution matched correctly?

A=divergent B=convergent C=adaptive radiation

A=convergent B=divergent C=adaptive radiation

A=adaptive radiation B=divergent C=convergent

A=divergent B=adaptive radiation C=convergent

Which of the following scenarios is an example of gene flow?

Pollen from genetically modified crops drifts to nearby organic crops.

A flood drastically reduces the number of a certain fish species in a lake.

A mutation occurs in a lizard population, causing a new color variation.

A predator species is introduced into an ecosystem, changing the prey species' behaviors.

The Amish have a higher frequency of polydactyly (extra fingers) in their community than the general population. This is due to the allele for extra fingers being present in the group that started the Amish community.

The difference in allele frequency is due to the founder effect.

The difference in allele frequency is due to genetic flow.

The difference in allele frequency is due to a bottleneck.

The difference in allele frequency is due to speciation.

Which of the following is true about natural selection?

It acts on populations, allowing beneficial traits to become more frequent in a population

It allows species to choose what adaptations are passed to offspring

It acts on individual organisms, allowing them to pick their traits for survival

It always favors large, strong individuals

In which of the following populations would genetic drift be most likely to cause a rapid evolution of the population?

A small group of 12 cheetahs living in Namibia

A large population of Mexican free-tailed bats living in central Texas

A geographically isolated population of 5000 green tree frogs

What is the founder effect?

When a small group inhabits a new, isolated area and doesn't represent the original population

Members of one sex choose mates with particular features

Organize these options into Gene Flow vs. Genetic Drift:

Increases variety of population

Introduces new alleles into a population

Occurs when individuals migrate between populations

Leads to homogenization of gene pools

Can counteract the effects of genetic drift

Can increase genetic diversity within a population

Can lead to adaptation to new environments

Can result in the spread of advantageous traits

Results in random changes in allele frequencies

Evolution Test

Authored by Tiffany Paine

Biology

9th Grade

NGSS covered

Used 13+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?

behavioral isolation

temporal isolation

gametic isolation

geographic isolation

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a species?

A group of organisms that can mate with each other and produce fertile offspring.

A group of organisms that can mate and produce offspring even if those offspring are infertile.

A group of organisms that genetically are very different from each other.

Indivual organisms that live in the same environment.

Tags

NGSS.MS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is genetic drift?

The movement of genes in/out of a population

A small, random change in the DNA

Any change in the allelic frequencies in a population that is due to chance

The process in which humans select for or against particular features in organisms

MATCH QUESTION

1 min • 1 pt

Match the types of natural selection!

Disruptive Selection

Stabilizing Selection

Directional Selection

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following must occur for speciation to happen?

geographic isolation

reproductive isolation

temporal isolation

behavioral isolation

Tags

NGSS.HS-LS4-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When has speciation occurred?

When populations no longer look the same

When populations no longer have the same frequency of alleles

When populations are living in different environments

When populations can no longer interbreed

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?

Directional selection

Disruptive selection

Stabilizing selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

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Evolution Test

A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?

What is a species?

What is genetic drift?

Match the types of natural selection!

Which of the following must occur for speciation to happen?

When has speciation occurred?

If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?

Genetic drift, like bottlenecks, are different from natural selection in that they are:

Which of the following is NOT an example of natural selection?

Which species’ DNA is most similar to the DNA of the toothed whale?

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