1. In the world of evolutionary biology, the current belief is that taxa change in a pattern that most closely fits: punctuated equilibrium gradualism stasis A and B only B and C only

2. What percentage of identified LIVING species are vertebrates?

A. 50 %

B. 23 %

C. 6 %

D. less than 5%

Answer: less than 5%

2. The majority of species on earth are:

Answer: vertebrates mammals invertebrates bacteria

3.Why did Linneus’s innovation of “binomial nomenclature” revolutionize the field of taxonomy?

A. species’ common names are no longer confusing

B. every species has a unique name based on its genus and species

C. English is the language most scientists speak

D. Hierarchy is not helpful when trying to understand relationships

Answer: every species has a unique name based on its genus and species

4. The continents are in the same locations that they were 245 million years ago.

True

False

Answer:False

5. Cichlids living in Lake Tanganyika have _________________ diversity relative to other groups living in similar sized lakes.

Answer: high average low

6. Which of the following would NOT be an example of convergent evolution in diet?

A. meat-eating in a lion and meat-eating in a tiger

B. great white shark eating seals and a killer whale eating seals

C. nectar feeding by a butterfly and nectar feeding by a hummingbird

D. plant-eating by a koala and plant-eating by a panda

Answer: meat-eating in a lion and meat-eating in a tiger

7. A group of organisms that includes an ancestor and all their descendants is termed

Answer: crade

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