Evolution, Adaptation & Extinction Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. The study of the genetic variation within a population is known as:

Question 2 2. Which of the following is NOT a principle of Darwin's theory of evolution?

Question 3 3.

Which of the following is an example of natural selection?

I. Albino animals are rare in nature because they are easy for predators to find.

II. The fastest gazelle is least likely to be eaten by a lion.

III. The gorilla that is strong enough to become alpha male is the most likely to pass on his genes.

Question 4 4. The idea that the earth is constantly changing and, therefore, life on earth is continually evolving is:

Question 5 5. Scientists have found fossils that show a sudden appearance of a new organism after a period of no change. Which form of evolutionary change best explains this?

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Question 6 6. Which term best describes change over time?

Question 7 7. Which of the following is a cause of one of the five mass extinctions?

Question 8 8. What explanation best explains why the dodo went extinct?

Question 9 9. How are humans contributing to species extinction?

Question 10 10. Variation means which of the following?

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Question 11 11. Selection means which of the following?

Question 12 12. Which of the following are Darwin's four observations?

Question 13 13. Which statement best explains the relationship between modern humans and Earth's history?

Question 14 14. When all members of a species have died off the species is:

Question 15 15. How old is Earth?

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Question 16 16.

Which of the following is an example of a homologous structure or trait?

I. Arm bones of a human and wings of a bird

II. Wing of a penguin and wing of a mosquito

III. Beak of a penguin and beak of a duck

Question 17 17. A new mutation allows a cheetah to run faster and hunt down more prey than its slower counterparts. This mutation increased the _____ of the cheetah.

Question 18 18. A scientist notices several birds in the same area that are similar in appearance with the exception of different beak lengths. She observes that one type of bird with a particularly long beak can pick bugs out of holes in the ground, while the birds with shorter beaks cannot. The longer beak is an example of

Question 19 19. Which is true about random mutations?

Question 20 20. Which best describes genetic variation?

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Question 21 21. Which is true about evolution?

Question 22 22. How does the fossil record support evolution?

Question 23 23. Comparative anatomy is useful for all but which of the following?

Question 24 24. Paleontology is the study of

Question 25 25. What is the study of evolutionary relationships called?

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Question 26 26. Which animal is our closest living relative?

Question 27 27. According to the evolutionary tree below, which are sister taxa?

Question 28 28. _____ can be defined as a change in a characteristic within a population over time.

Question 29 29. Which of the following theories best explains the mass extinction of the dinosaurs?

Question 30 30. What is an invasive species? (Choose the best answer)

Evolution, Adaptation & Extinction Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

7th Grade Science: Life Science  /  Science Courses
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