Classification and Evolution

The lion, Panthera leo; the leopard, Panthera pardus; and the tiger, Panthera tigris; all share what classification?

• species

• genus

• class

• family

According to the Linnaean Classification of organisms - if two organisms are in the same class then they must also be in the same:

• kingdom

• genus

• family

• phylum

Compare the trilobite fossil to the 4 images of living organisms. Based on physical evidence, which animal is most like the ancient trilobite?

• scallop

• pillbug

• locust

• roundworm

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NGSS.MS-LS4-1

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Looking at the two images of fossils above, one is older than the other. Which one is the older of the two

• the one on the left because it is more complex

• the one on the left because it is more primative

• the one on the right because it is more primative

• the one on the right because it is more complex

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NGSS.MS-LS4-1

Scientists believe that earlier generations of the giraffe had shorter legs and necks than those of today. Why?

• They were omnivores who ate both meat and plants

• Their food source was closer to the ground

• They would be faster to get away from predators

• There were no trees back then

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

Darwin studied the finches of the Galapagos Islands. He noticed the difference in their beak shapes and sizes. What did he attribute those differences to?

• different ancestors

• crossbreeding with other birds

• defense from predators

• food sources available

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NGSS.MS-LS4-2

Blue beetles and green beetles live in a tropical forest. Green beetles are able to camouflage into the environment while blue beetles cannot. Based on the theory of natural selection, what will probably happen to the blue beetles?

• Their population will increase

• Their population will decrease

• They will breed with green beetles

• They will move to a new ecosystem

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NGSS.MS-LS4-4

Arctic foxes and snowshoe rabbits have specific adaptations that evolved over time to help them survive. Both turn white in the winter and have fur on the pads of their feet. These are adaptations to:

• food source

• environment

• competition

• mating

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NGSS.MS-LS1-5

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A bird specific to the cypress swamps of the southeastern USA has started disappearing. In that same time, more and more people began living in this area. The bird population decline is most likely a result of:

• habitat loss

• food source loss

• hunting

• competition from other birds

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Both the Atlantic gray whale and the stellar sea cow became extinct in the 1800's. More recently, the Caribbean monk seal was added to the extinct species list. What is the most likely cause of their extinction?

• global warming

• deforestation

• over-hunting by humans

• drop in sea level

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NGSS.MS-LS2-1