Unit 3 Test Review

When can a species develop genetic diversity?

• immediately

• over a short period of time

• over a long period of time

• over any period of time

Tags

NGSS.MS-LS4-4

Why does it take a long time to develop a new variety of tomato?

• Changes in traits happen gradually over many generations.

• Tomatoes cannot acquire new traits.

• • 
    

    A species cannot change over time.

• Many plants resist change.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

If the environment changes, what must a species do to survive?

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

What is an adaptation?

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

What caused the dark peppered moth to flourish after the Industrial Revolution?

• darkening of the sky

• darkening of the ground

• darkening of the tree bark

• the ability to fly

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

NGSS.MS-LS3-1

Why was the light peppered moth able to flourish prior to the Industrial Revolution?

• fewer predators

• by blending in with the trees

• an abundance of food

• the ability to fly

Tags

NGSS.MS-LS4-4

Plants will always grow towards the

Tags

NGSS.MS-LS1-5

What can cause the extinction of a species?

• • 
    

    adaptations that overcome challenges of the environment

• • 
    

    adaptations that do not overcome challenges of the environment

• • 
    

    quick adaptations to change

• having behavioral adaptations

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

NGSS.MS-LS4-1

Why might polar bears become extinct?

• There are not enough fish for them to eat.

• • 
    

    Too many people hunt them.

• • 
    

    They do not have any predators.

• Their thick fur is not suited for a warming climate.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

Which statement about abiotic changes to an ecosystem is true?

• • 
    

    The changes cannot be caused by human activity.

• • 
    

    The changes may affect several populations within the ecosystem.

• The changes may impact food chains, but not food webs.

• The changes will have no impact on living organisms in the ecosystem.

Tags

NGSS.MS-LS2-4