Understanding Evidence of Evolution 8th grade Final

The two main themes learned from Darwin mentioned in the video are that

• A) All living things are independent evolution is random

• B) All living things are related and evolution is powered by natural precesses

• C) All living things are unique and evolution is a myth

• D) All living things are the same and evolution is a choice

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According to the video, what is one way to find evidence of evolution?

• By observing animals in their natural habitats

• By comparing the anatomy of different species

• By reading historical texts

• By conducting surveys of animal behavior

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What common characteristic do whales, dolphins, and porpoises share?

• They all have gills for breathing underwater

• They are all warm-blooded mammals

• They all lay eggs

• They all live in Bikini Bottom

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Why do modern whales not have back legs, according to the video?

• They evolved to be more efficient swimmers

• They never had legs

• They lost them due to a genetic mutation

• They are born without them

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What evidence suggests that whales share a common ancestor with land mammals?

• A) They have similar diets

• B) They have similar social behaviors

• C) They have similar bone structures in their flippers

• D) They like Ice Cube

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How do embryonic stages of dolphins and humans provide evidence for evolution?

• A) They have completely different development processes

• B) They share similar organ development patterns

• C) They both develop fins

• D) They have no similarities at all

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What does the presence of hip bones in modern whales suggest?

• A) They are still capable of walking on land

• B) They evolved from a four-legged ancestor

• C) They have no evolutionary significance

• D) They are a result of genetic mutation

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What role do fossils play in understanding evolution?

• They provide a complete history of all species

• They help scientists identify the exact age of species

• They show transitional forms between species

• They confirm that species do not change over time

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Which of the following is a key finding about whale DNA?

• A) Whales are more closely related to fish than to hippos

• B) Whales and hippos share a common ancestor

• C) All mammals share identical DNA

• D) Whale DNA is completely unique

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What is the significance of the blowhole in whales?

• It is a remnant of their gills

• It is a modified version of a mammal's nose

• It serves no purpose

• It is used for communication only

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