Life Has A History Quiz! Part- II
9 Questions
| Attempts: 288
Questions and Answers
- 1.Cladograms are diagrams that show us:
- A.
How organisms are related to one another
- B.
Which group is missing a common ancestor
- C.
Which group evolved first
- 2.Extinction is common.
- A.
True
- B.
False
- 3.Thousands of years passed between the extinction of dinosaurs and the appearance of the first humans.
- A.
True
- B.
False
- 4.Evolution can only happen if there are no variations within a species.
- A.
True
- B.
False
- 5.Of all the species that have ever lived on this planet, how many have gone extinct?
- A.
- B.
Between 30% and 50%
- C.
Between 60% and 85%
- D.
>90%
- 6.Natural selection is an important mechanism for evolution. If there is a change in the environment, which of the following statements is correct:
- A.
Those organisms that are the strongest will survive and reproduce.
- B.
Individual organisms will evolve in order to survive and reproduce.
- C.
Those organisms that have features that can take advantage of the environmental change will survive and reproduce.
- 7.Name three kinds of fossils other than bones and teeth.
- 8.Name three kinds of evidence that scientists use to determine common ancestry.
- 9.Dinosaurs existed on earth for _________ millions of years before becoming extinct.
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