Change over time in a population.

Negative traits are acquired in populations.

Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?

Light moths were easy to see against sooty trees and were eaten

Light moths were killed by soot

The birds that ate the dark moths were killed by soot

Dark moths were produced by industrial processes

The example of the peppered (brown) moths living near English industrial cities demonstrates that

A change in an environment can result in the evolution of species living there

Evolution occurs so slowly that is it not possible to determine that it has happened in less than a million years

The environment near these cities has always favored dark colored moths

You look at two species and see very similar DNA. What does this likely tell you?

These animals have a common ancestor.

These animals are not likely related.

These animals are likely becoming one species.

Why is the mouse population changing over time?

The hawks eat more light mice than dark mice because they can see the light mice more easily

The light mice can reproduce more successfully than the dark mice

The hawks eat more dark mice than light mice because the dark mice taste better

The hawks eat more dark mice than light mice because they can see the dark mice more easily

Giant fossil ferns have been found in Canada. What conclusion can be drawn from this evidence?

Canada once had a much warmer climate.

Giant dragonflies once live among the ferns.

Canada was once covered by ancient sea.

Dinosaurs once lived in Canada.

As a result of global warming, what evolutionary changes could we infer might eventually be seen in polar bears?

Polar bears will develop thinner and darker fur.

Polar bears will develop thicker, warmer coats.

Polar bears will lose their ability to swim.

Polar bears will become herbivores.

In recent years "SuperBugs" (bacteria that aren't effected by antibiotics) are becoming more and more common. How could natural selection explain this?

Superbugs survive antibiotics and reproduce

Antibiotics cause bacteria to become superbugs

We have always had the same amount of superbugs; modern media just discusses them more.

There is no reliable data on the origin of super bugs.

Define homologous structures.

Structures that appear the same, but have different functions.

Structures that appear the different, but have the same ancestral origins.

Any two body parts from the same organism

Parts that no longer appear to have a function

Define analogous structures.

Structures that have similar functions, but do not indicate evolutionary relationships.

Structures that appear the same, but have different functions.

Any two body parts from the same organism

Parts that no longer appear to have a function

Some people use similarities in embryos to support the the theory that

The organisms have the same ancestors

The organisms have similar numbers of offspring

Cells naturally develop along similar line

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

Change Over Time

Authored by Whitney Maddox

Science

8th Grade

NGSS covered

Used 72+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Survival of the Fittest and Evolution were proposed by what scientist?

Charles Darwin

Albert Einstein

Steven Hawking

Isaac Newton

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NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The theory of evolution by natural selection means that what is changing over time?

The inherited traits of a population.

The acquired traits of a population.

Hair color and eye color

Attractive features.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mutations are a change in what?

DNA

tRNA

genotype

phenotype

Tags

NGSS.MS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might it be helpful for a species to have a lot of variations?

They can't be seen by predators

If the environment changes, they might be better able to adapt

It is helpful in asexual reproduction

They don't recognize each other

Tags

NGSS.MS-LS4-4

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.MS-LS4-4

NGSS.MS-LS3-1

MULTIPLE CHOICE QUESTION

20 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.MS-LS4-4

NGSS.MS-LS4-2

NGSS.MS-LS4-1

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Change Over Time

Survival of the Fittest and Evolution were proposed by what scientist?

The theory of evolution by natural selection means that what is changing over time?

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

Mutations are a change in what?

Why might it be helpful for a species to have a lot of variations?

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?

Another term for Natural Selection is:

Evolution means...

Any variation that can help a species survive in a given environment is called...

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