Evidence for Evolution #2

What type of evidence are shown in the picture above?

• Fossils

• Embryology

• Homologous Structures

• Vestigial Structures

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The three species pictured do not share a common ancestor, yet have evolved to have a similar anatomy and life style. This is an example of ?

• Homologous Structures

• Divergent Evolution

• Vestigial Organs

• Convergent Evolution

The three species pictured share a common ancestor and have adapted so that each lives in a different environment. This is an example of...

• divergent evolution & homologous structures

• divergent evolution & analogous structures

• convergent evolution & homologous structures

• convergent evolution & homologous structures

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The image shows...

• convergent evolution & analogous structures

• divergent evolution & analogous structures

• convergent evolution & homologous structures

• divergent evolution & homologous structures

Flying fish, flying birds, and bats are examples of which of the following?

• convergent evolution & homologous structures

• convergent evolution & analogous structures

• divergent evolution & homologous structures

• divergent evolution & analogous structures

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What happens in divergent evolution?

• Organisms become more similar and yet have homologous structures

• Organisms become less similar and yet have homologous structures

• Organisms become less similar and yet have analogous structures

• Organisms become more similar and yet have analogous structures

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According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?

• evolution by natural selection

• migration

• inbreeding

• commensalism

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All dogs have the common ancestor the wolf. This is an example of -

• divergent evolution

• convergent evolution

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Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

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Polar bears are believed to have evolved from brown bears. Which explanation best explains why polar bears no longer have brown fur?

• Polar bears needed light fur to survive, as a result their fur changed color and they passed the trait on to their offspring

• Due to living on snow and ice polar bears' fur changed color and they were able to camouflage themselves and catch more prey

• A random mutation caused a change in fur color, this change was advantageous and was passed on to their cubs

• Brown furred bears got too hot due to the ice reflecting the sun at a high intensity, and as result the brown bears died out

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