Biodiversity, Adaptations, Dichotomous Keys

It is very common for yellow labs to have bad hips. This is because humans have bred labs for behavior, not hip strength.  This is an example of 

• Natural Selection
• Selective breeding
• Mitosis
• Fossil Record

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All of the following statements are reasons for selective breeding except:

• To produce offspring with desirable characteristics
• Farmers increase their profit by improving crops
• To improve the quality of food products
• To increase migration patterns

Which statement best describes the process of natural selection?

• Populations can survive in different locations on earth
• Environmental conditions limit the number of species on Earth
• Populations grow when resources are abundant
• The traits of a species can change over time

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Which of these statements best describes what Charles Darwin observed on the Galapagos Islands?

• The finch population on each island was similar, but unique.
• the finches on the islands ate seeds and nuts but no insects.
• The finches on the islands were the same as the finches in Ecuador
• the finches could produce offspring only with finches from other islands.

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NGSS.MS-LS4-2

The image you see is a mammoth.  Which trait most suggests that the mammoth was adapted to live in a cold climate?

• its thick, furry coat
• its long, flexible trunk
• its sharp, curved tusks
• its broad, powerful body

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NGSS.MS-LS4-4

Fill in the blank
Some organisms go into a state of __________ during cold winter months to conserve energy.

• Migration
• Mimicry
• Hibernation
• Over eating

An adaption is:

• a characteristic that helps a population of species survive and reproduce
• a characteristic of one male that allows him to become the dominant animal of the herd 
• When one organism lives longer than any other organism  in its population 
• a change that occurs quickly within a species 

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All of the following statements are true EXCEPT:

• An adaptation must be common among the entire population 
• an Adaptation can involve just a few individuals 
• an adaptation happens over time
• an adaptation can either be physical or behavioral 

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NGSS.MS-LS1-4

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Xylem is a plant tissue mad eup of elongated cells stacked end to end, the length of the plant's stem. Which function is xylem specifically adapted to perform in plants?

• Help prevent water loss
• Exchange gases with the atmosphere
• Capture sunlight for photosynthesis
• Transport water from roots to leaves 

Which of the following statements best describes how adaptations benefits an organism?

• It guarantees that the organism will survive
• It increases an organism's chances of survival
• It guarantees that an organism will have a stout beak
• It increases an organism's chance of becoming extinct 

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NGSS.MS-LS4-4