The male and female black widow spider look very different. However, we know they are the same species because:

They reproduce creating fertile offspring

They reproduce creating infertile offspring

Mutations can benefit humans because they can:

Make an organism more suited to live in its environment.

Make organisms live shorter lives

Cause organisms to grow extra limbs.

What causes mutations?

Mistakes in replication or environmental substances

Evolution is best defined as:

the process which organisms change over time.

the process which organisms die.

the process which organisms that are extinct become revived.

the process which non-living things fossilize.

physical or behavioral characteristics that help an organisms survive and reproduce.

physical or behavioral tendencies.

physical or behavioral characteristics that do not help the organism in any way.

genetic mutations that have gone wrong.

A species is defined as:

a group of organisms with similar characteristics and can reproduce to make fertile offspring.

a group of organisms that are extremely different.

a group of organisms that have similar characteristics and always live in the same place.

any two organisms to make a hybrid.

Modern whales developed their traits through natural selection. What occurs during the process of natural selection?

Only the fittest organisms can survive and reproduce

Organisms choose mates from other species to create new species

Breeders selectively cross organisms with desired traits

Organisms remain exactly the same over time.

What conclusions can be made based on this table shown?

the red panda and the racoon are the most closely related

the American black bear and the giant panda are most closely related

the giant panda and the red panda are most closely related

the giant panda and the racoon are most closely related

The picture shows the members of the Camelidae family. The physical features and the geographical origin of these animals provide evidence that -

they live in the same type of environment.

have slowly evolved to become herbivores.

The similarities of the bones in the diagram provide evidence that---

The organisms shown may have developed from a common ancestor

The organisms shown lived in the same natural envionrment

The organisms shown have the same genetic diseases

All vertebrate species have identical forelimbs

What conclusion can you draw from the fact that many modern whale species have vestigial pelvic and leg bones?

The ancestors of whales may have been land mammals

Whales could walk if they wanted to

Whales are preparing to evolve into land animals

Someday whales will be able to walk and will have legs

A segment of DNA that encodes for a protein

A segment of RNA that encodes for a protein

How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?

The proteins expressed in each cell are different

The two different cells become mutated

They actually have different DNA in the two types of cells.

The genome of the different cells changes

The difference between DNA code and the epigenome is that the DNA code is

fixed for life, while the epigenome is flexible

flexible, while the epigenome is fixed for life

determined by the environment, while the epigenome is not

determined by one's stress level, while the epigenome is not

Which factor can affect the epigenome?

all of these factors can affect the epigenome

1. How do gene mutations contribute to evolution?

Natural selection favors beneficial mutations, so they survive and are passed on to future generations.

Beneficial mutations are passed on to several members of a generation, quickly taking hold in a population.

Unfavorable mutations have a more significant effect on genes than do favorable mutations, so they are spread through the population.

Beneficial and unfavorable mutations take hold in the population equally over numerous generations.

which of the following are ways in which a gene can be regulated transcriptionally

attach a phosphate group to a protein

adding methyl groups to ___ will turn a gene ___

cytosine bases on histones, off

Natural Selection and Evolution

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Natural Selection and Evolution

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Biology

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9th - 12th Grade

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Practice Problem

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Medium

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NGSS

HS-LS4-2, HS-LS3-2, HS-LS4-1

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

Natural Selection

Selective Breeding

Random mutations

Variations in a species

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

Variation

Dominant trait

Recessive trait

Adaptation

Tags

NGSS.HS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where are hereditary traits stored in all organisms?

In the blood

In the brain

In the DNA

In the heart

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a sick person takes an antibiotic but it doesn't kill all of the bacteria causing the sickness, what might explain this?

Variations in the bacteria allowed some organisms to be less affected by the antibiotic?

Bacteria cannot be killed by antibiotics

You cannot cure a bacterial infection

Bacteria do not cause sicknesses

Tags

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?

Graduation

Selective Breeding

Revolution

Evolution

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One female salmon can lay hundreds of eggs. Why doesn't the salmon population increase dramatically?

Salmon reproduce asexually

Most offspring do not grow up to reproduce

Salmon eggs don't hatch

Salmon are extinct

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heredity is:

Survival of the fittest

The passing of genetic traits from parent to offspring

Believing in false gods

Unexplained

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

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Natural Selection and Evolution

50 questions

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

Where are hereditary traits stored in all organisms?

If a sick person takes an antibiotic but it doesn't kill all of the bacteria causing the sickness, what might explain this?

Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?

One female salmon can lay hundreds of eggs. Why doesn't the salmon population increase dramatically?

Heredity is:

The male and female black widow spider look very different. However, we know they are the same species because:

When every organism of a species has died.

Where the better adapted organisms survive to pass traits along to offspring.

Access all questions and much more by creating a free account

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