NGSS.MS-LS4-4

The slight differences in stripe patterns in a zebra population is known as 

• Adaptation
• Variation

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

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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Successful traits are passed onto offspring through natural circumstances. 

• Natural Selection
• Primary Succession
• Secondary Succession
• Dominant

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What process is being shown in this image?

• Variation
• Natural Selection
• Selective Breeding
• Homeostasis

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Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 
• Variation 
• Adaptation
• Natural Selection 

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True or False: Diversity of a species occurs through gradual processes over many generations.

• true

• false

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When genetic variation is low, the ability to adapt is low.

• True

• False

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Hummingbirds can have different beak lengths.

They use their beaks to reach to the nectar (their food) at the bottom of flowers. Hummingbirds with longer beaks can get food from long flowers. Hummingbirds with shorter beaks cannot reach the nectar in long flowers. If a hummingbird can’t easily reach its food, it will die.

The diagrams below show three possible hummingbird populations.

If their environment changes to have only long flowers, which of the following hummingbird populations will most likely survive?

• Only population 2 will survive because it is the only population with variation.

• All the populations will survive because the hummingbirds will change the length of their beaks if they need to.

• Populations 1 and 2 will survive.

• Populations 1 and 2 will survive.

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Over time, honey suckle flowers develop a sweet smell to attract pollinators. This is an example of

• selective breeding

• extinction

• natural selection

• evolution

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