Final Exam Review

1. Final Exam Review

2. The questions presented in this PowerPoint are not identical to the questions on the test. However, they are the same type of questions and they cover the same type of material you will need to know in order to do well on the test.

3. The Eastern tiger swallowtail caterpillar looks like a piece of bird excrement (poop). • This is an example of: • mimicry. • hiding. • camouflage. • blending in. 1

4. And the answer is… • mimicry.

5. What is the name for seed plants that produce seeds that are not enclosed in fruit; “naked seed” ? 2

6. And the answer is… gymnosperm

7. Two forms of the same gene are known as • alleles. • chromosomes. • genotypes. • sex cells. 3

8. And the answer is… alleles

9. Which term explains, “ a behavioral adaptation of traveling long distances to avoid a season that the animal cannot survive in” ? • hibernation • mimicry • migration • camouflage 4

10. And the answer is… • C. migration

11. Similarities in the structures of embryos of different species suggest what? • A. the adults of those species look similar to each other • B. that those species are distantly related • C. that those species have the exact same genetic makeup • D. that those species may share a common ancestor 5

12. And the answer is… • D. that those species may share a common ancestor

13. Which of these statements correctly describes a difference between asexual and sexual reproduction? A. Asexual reproduction increases genetic diversity, but sexual reproduction does not. B. Asexual reproduction involves one parent, and sexual reproduction involves two parents. C. Asexual reproduction increases a species’ chances of surviving unfavorable conditions, but sexual reproduction does not. D. The offspring produced by asexual reproduction are not identical to each other, but those of sexual reproduction are identical to each other. 6

14. And the answer is… B. Asexual reproduction involves one parent, and sexual reproduction involves two parents.

15. What is a genotype? • An organism's genetic make up or allele combinations for a only one trait • An organism's physical appearance or visible traits • All of the genes that make an organism what it is • The process of copying a cells DNA. 7

16. And the answer is… • All of the genes that make an organism what it is • Although they are often looked at in isolation- one at a time

17. T is for thin lips and t is for full lips. Cross a homozygous dominant with a heterozygous. Identify the percentage of offspring with thin lips and the correct genotypes for thin lips. Choose all that apply. TT Tt 50% 100% 8

18. And the answer is… A , B, and D

19. Which is an example of instinct? • A mom teaches her child how to cross the street • A dog barking to defend itself • A kid teaching a dog to sit 9

20. And the answer is… • B. A dog barking to defend itself

21. What is the name for the part of the flower labeled #8? 10

22. And the answer is… style

23. What does homozygous mean? • Having too much DNA in a cell • Having only one allele for a trait • Having two different alleles for a trait • Having two identical alleles for a trait 11

24. And the answer is… • D. Having two identical alleles for a trait

25. What is a phenotype? • An organisms genetic makeup or allele combination • An organisms physical appearance or visible traits • All of the genes that make an organism what it is • The process of copying a cells DNA. 12

26. And the answer is… • B. An organisms physical appearance or visible traits

27. What is the name of a model that can be used to predict the outcome of a genetic cross? • Punnett square • Mendel square • Concept map • Allele triangle 13

28. And the answer is… • Punnett square

29. When the parents are homozygous dominant and homozygous recessive for a trait, all the offspring are • homozygous recessive for that trait. • heterozygous recessive for that trait. • heterozygous dominant for that trait. • homozygous dominant for that trait. 14

30. And the answer is… • C. heterozygous dominant for that trait.

31. What are the names for the two parts of the leaf numbered 22? 15

32. And the answer is… • Xylem and Phloem

33. B is for brown eyes and b is for blue eyes. Cross a heterozygous with a homozygous recessive. What is the percentage of the offspring that are heterozygous? • 25% • 50 % • 75% • 0% 16

34. And the answer is… B. 50 %

35. True or false Camouflage is a physical adaptation that allows an animal to use coloring in its habitat to blend in. 17

36. And the answer is… True

37. Proteins are made up of a sequence of • Chromosomes • Amino acids • Nucleotides • Base pairs 18 7

38. And the answer is… B. Amino acids

39. Which term means, “body structures that allow an animal to find food, defend itself, and reproduce its species?” • physical adaptations • adaptations • behavioral adaptations • learned behaviors 19

40. And the answer is… • physical adaptations

41. Which of the following are examples of behavioral adaptations • (select all that apply) • hibernation • camouflage • instinct • migration 20

42. And the answer is… • hibernation • and • D. migration

43. Cells that contain half the usual number of chromosomes are • Fertilized egg cells • Gametes • Alleles • Diploid cells 21 21

44. And the answer is… • B. Gametes

45. What is the name for the part of the flower labeled #2? 22

46. And the answer is… Stigma

47. The spines of a cactus being modified leaves is an example of • selective breeding. • adaptation. • natural selection. • photosynthesis. 23

48. And the answer is… • B. adaptation.

49. If one copy of a dominant allele is present in a genotype, then the trait is • expressed in the phenotype. • not expressed in the phenotype. • partially expressed in the phenotype. • not expressed in an offspring’s phenotype. 24 26

50. And the answer is… A. expressed in the phenotype.