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Genetic Variation & Evolution 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 a correct definition of speciation?

Question 2 2. Which of the following is an example of speciation?

Question 3 3. Which of the following is NOT true in the formation of a new species?

Question 4 4. Which of the following is true of speciation?

Question 5 5. Which of the following is a definition of species?

Page 2

Question 6 6. Which best describes genotype?

Question 7 7. Which of the following statements is true?

Question 8 8. Which best defines phenotype?

Question 9 9. Natural selection alters which of the following?

Question 10 10. Why does natural selection act on phenotypes and not genotypes?

Page 3

Question 11 11. The biological building blocks of humans are known as which of the following?

Question 12 12. Which of the following is the correct term for the genetic perspective that states: our genes set the boundaries within which we can operate, and our environment interacts with the genes to determine where in that range we will fall?

Question 13 13. The genetic perspective that states our genes influence our environment, and our environment influences our genes is known as which one of the following?

Question 14 14. The genetic perspective that investigates how similar genotypes can manifest into different phenotypes is known as which of the following?

Question 15 15. Which of the following is true concerning genes and environment

Page 4

Question 16 16. How much genetic information do you get from each of your parents?

Question 17 17. Your genes have alleles, which are:

Question 18 18. The three sources of genetic variation are:

Question 19 19. Crossing over during sexual reproduction is:

Question 20 20. Gene flow:

Page 5

Question 21 21. Which is true about evolution?

Question 22 22. Which is true about random mutations?

Question 23 23. Which best describes genetic variation?

Question 24 24. Why is evolution best described as an editing process?

Question 25 25. Genetic variability describes which of the following?

Page 6

Question 26 26. 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 27 27.

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 28 28. 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 29 29.

Which of the following is an example of analogous structures or traits?

I. Leg bones of a human and leg bones of a penguin

II. Wing of a penguin and wing of a mosquito

III. Beak of a penguin and beak of a duck

Question 30 30. Which of the following is an example of convergent evolution?

Genetic Variation & Evolution 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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