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Overview of Evolution & Natural Selection 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!

Page 1

Question 1 1. Which of the following is an example of convergent evolution?

Question 2 2. 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 3 3. 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 4 4. _____ can be defined as a change in a characteristic within a population over time.

Question 5 5.

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.

Page 2

Question 6 6. Which of the following is NOT a principle of Darwin's theory of evolution?

Question 7 7. Which of the following scenarios would qualify for Hardy-Weinberg equilibrium?

Question 8 8. What is the Hardy-Weinberg equilibrium used to describe?

Question 9 9. If a phenotype is favored by mate choice, you would expect the allele frequency for that phenotype to _____.

Question 10 10. Artificial selection is also known as _____.

Page 3

Question 11 11. What is the main difference between natural selection and artificial selection?

Question 12 12. Why do mutations appear more often with selective breeding?

Question 13 13. Which does NOT provide evidence for evolution?

Question 14 14. Which field would best describe why penguins and polar bears are not found in the same regions of Earth?

Question 15 15. Comparative anatomy is useful for all but which of the following?

Page 4

Question 16 16. Punctuated equilibria describes which phenomenon?

Question 17 17. What is a genome?

Question 18 18. Which is NOT true about the fossil record?

Question 19 19. Why is evolution best described as an editing process?

Question 20 20. Genetic variability describes which of the following?

Page 5

Question 21 21. Which best describes genetic variation?

Question 22 22. A group of penguins gets separated due to a glacier. What type of speciation has occurred?

Question 23 23. A group of organisms that can interbreed and form fertile offspring are known as:

Question 24 24. Resident and transient orcas that do not mate due to different behaviors is an example of what type of speciation?

Question 25 25. Which of the following is NOT TRUE about background extinction?

Page 6

Question 26 26. To state an organism is 'extinct' means

Question 27 27. When was the most recent mass extinction event?

Question 28 28.

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

Question 30 30. If a phenotype becomes unfavorable due to natural selection, you would expect the allele frequency for that phenotype to _____.

Overview of Evolution & Natural Selection 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!

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