Quiz 2: Evidence Of Evolution

Quiz 2: Evidence of Evolution
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1. Which of the following would be considered homologous structures?

Question options:

|[pic] |tentacles of an anemone and tentacles of a squid |
|[pic] |wings of a bird and arms of a human |
|[pic] |wings of a butterfly and wings of a bird |
|[pic] |lungs of a mammal and trachea of an insect |

2. According to modern evolutionary theory, vertebrate embryos (i.e. frog, reptile, bird, mammal) have similar characteristics and follow similar patterns of development because:

Question options:

|[pic] |all vertebrates live in the same type of environment |
In comparing the forelimb of a bat and a bird, you would find that:

Question options:

|[pic] |bird are better adapted for flying than bats are |
|[pic] |both have lost the thumb digit |
|[pic] |bats have reduced digits while birds have extended digits |
|[pic] |both bird and bats have essentially the same skeletal units in their forelimbs |

4. The forelimbs of a human, bird, bat, and dolphin have a very similar arrangement of bones and muscles, yet different functions. According to modern evolutionary theory, this is an example of:

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