Adaptations

Why might some plants have thorns?

• to stay safe from animals that want to eat the plant
• to attract insects that spread pollen to other plants
• to take in nutrients from the air
• to provide shade for the plant

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NGSS.MS-LS1-4

Some grasses grow in hot dry areas. Why might they grow deep roots?

• to protect the plant from sun damage
• to take in as much light as possible
• to spread seeds to new places
• to reach water down below

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NGSS.MS-LS2-1

Coloring or another physical characteristic that help an organism blend in with its environment

• mimicry
• camouflage
• hibernation
• migration

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NGSS.MS-LS4-4

Base your answer(s) to question(s) on the diagram below and on your knowledge of biology. The diagram shows the heads of four different species of Galapagos Islands finches. 
The four different types of beaks shown are most likely the result of 

• gene manipulation 
• natural selection 
• unchanging environmental conditions 
• patterns of behavior learned from parents 

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NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which characteristic is necessary for natural selection to occur in a species? 

• stability 
• variation 
• complex cellular organization 
• a very low mutation rate 

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NGSS.MS-LS4-4

The different tools used during the beaks of finches lab represented 

• feeding adaptations in finches 
• nest construction adaptations 
• variations in seed size 
• variations in ecosystems 

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NGSS.MS-LS2-1

NGSS.MS-LS4-4

"Survival of the Fittest" describes which theory

• a) natural selection
• b) gravity
• c) heredity
• d) string theory

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NGSS.MS-LS4-4

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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NGSS.MS-LS2-1

NGSS.MS-LS4-4

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.

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NGSS.MS-LS4-4

Mutations are a change in what?

• DNA
• tRNA
• genotype
• phenotype

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NGSS.MS-LS3-1