1) One of two or more alternative forms of a gene, represented by a single letter.

A.) Allele

B.) Species

C.) Autosomes

Correct!

2) A condition that describes an individual that carries two identical alleles of a gene.

A.) Autosomes

B.) Heterozygous

C.) Homozygous

Correct!

3) Heterozygous is a condition that describes an individual that carries two different alleles of a gene.

True

False

Incorrect

4) Genotype is a specific combination of alleles in an individual.

True

False

Correct!

5) Genotype is the physical appearance that results from the Phenotype of an individual.

True

False

Correct!

6) Any chromosome other than a sex chromosome; Any chromosome from pairs 1-22 in a human.

A.) Heterotroph

B.) Carrying Capacity

C.) Autosomes

Correct!

7) The study of the interactions of living organisms with one another and with their environment.

A.) Ecology

B.) Ecosystem

Correct!

8) Environmental Science is the study of the air, water, and land surrounding an organism or a community.

True

False

Incorrect

9) A community of organisms and their abiotic environment.

A.) Ecosystem

B.) Ecology

Correct!

10) Any living factor or any factor resulting from the activities of a living thing within an ecosystem.

A.) Biotic Factor

B.) Biodiversity

Correct!

11) Any physical nonliving factor within the environment.

A.) Abiotic Factor

B.) Biotic Factor

Correct!

12) Any physical nonliving factor within the environment.

A.) Biotic Factor

B.) Biodiversity

C.) Abiotic Factor

Correct!

13) Autotroph is another name for producers which translates into self-nourishing or self-feeding.

True

False

Correct!

14) Another name for consumers which translates into different-nourishing or different-feeding.

A.) Abiotic Factor

B.) Heterotroph

Correct!

15) Cellular Respiration is the part of the carbon cycle that takes in oxygen and a carbon-containing sugar and releases carbon dioxide.

True

False

Incorrect

16) The part of the carbon cycle that takes in carbon dioxide and releases oxygen and a carbon-containing sugar.

A.) Carrying Capacity

B.) Photosynthesis

C.) Cellular Respiration

Correct!

17) The maximum number of individuals the environment can support.

A.) Taxonomy

B.) Natural Selection

C.) Carrying Capacity

Correct!

18) The process whereby organisms with the best adaptations to a particular environment have the ability to survive longer and reproduce more often thus producing more offspring with the same favorable traits.

A.) Carrying Capacity

B.) Natural Selection

C.) Taxonomy

Correct!

19) Natural Selection is the science of naming and classifying organisms.

True

False

Correct!

20) Species is a group of organisms of a single type that are capable of producing fertile offspring.

True

False

Correct!

21) According to the DNA fingerprint below, which suspect matches the crime scene DNA?

A.) Suspect #1

B.) Suspect #3

C.) Suspect #2

Correct!

22) According to the DNA sequence below, what is the correct DNA sequence represented?

A.) CGATTGAGTGGT

B.) GGATTCAGTCGT

Correct!

23) What is the purpose of gel electrophoresis?

A.) Separate DNA fragments

B.) Quickly make copies of DNA

C.) Differentiate into a specialized cell

Correct!

24) What phenotype best describes Rr?

A.) Heterozygous round

B.) Homozygous round

C.) Homozygous wrinkled

Correct!

25) Using the information below, complete a Punnett square for the following parents and state the genotypic probability: Parents: Homozygous Round seed x Wrinkled seed.

A.) 2/4 RR, 2/4 rr

B.) 4/4 Rr

C.) 4/4 RR

Incorrect

26) Using the information below, complete a Punnett square for the following parents and answer the question that follows: Parents: Heterozygous Purple flower x Heterozygous Purple flower. If 100 seeds are collected from these two parents how many seeds can we expect to develop into white flowers?

A.) 0

B.) 25

C.) 50

Correct!

27) Using the information below, complete a Punnett square for the following parents and state the phenotypic probabilities: Parents: Homozygous Green Pod, Homozygous Tall x Homozygous Green Pod, Short.

A.) 16/16 Yellow and Short

B.) 16/16 Green and Tall

C.) 8/16 Yellow and Short, 8/16 Yellow and Tall

Incorrect

28) What person’s gametes determine the gender of a child (offspring)?

A.) Female (mother)

B.) Male (father)

C.) Offspring

Correct!

29) Fruit Fly Eye Color (sex-linked) – Red Eye (Dominant – R), White Eye (Recessive – r): How many female fruit fly offspring would be expected to have white eyes from the following cross? Parents: White Eye Female x Red Eye Male

A.) 0%

B.) 25%

C.) 50%

Correct!

30) Hemophilia (sex-linked) – Normal Blood Clotting (Dominant – H), Hemophiliac (Recessive – h): How many offspring would be expected to have hemophilia from the following cross? Parents: Hemophiliac Carrier Female x Hemophiliac Male

A.) 0/4

B.) 1/2

C.) 2/4

Incorrect

31) Regarding incomplete dominance, what is the genotype of a pink snapdragon flower, if a red flower (RR) and white (WW) are crossed?

A.) Rr

B.) PP

C.) RW

Incorrect

32) Incomplete Dominance - Snapdragon flower colors: Red (RR), White (R1R1), Pink (RR1). Cross the following snapdragon flower colors: Pink flower x Pink flower. How many of the offspring would be expected to be Red flower?

A.) 0%

B.) 25%

C.) 50%

Correct!

33) What two alleles, regarding human blood types, demonstrate codominance when joined together?

Select the correct letter.

I^A, I^A
I^B, I^B
i, i
I^A, I^B

A.) a

B.) b

C.) c

D.) d

Correct!

34) According to the pedigree below, how many females in the pedigree have the trait?

A.) 0

B.) 1

C.) 2

Incorrect

35) If, in a pedigree, the father’s genotype is AA and the mother’s genotype is aa, what must be the child’s genotype?

A.) AA

B.) aa

C.) Aa

Correct!

36) If the pedigree below is for an autosomal recessive trait, what must be the genotypes of the parents in the P generation?

A.) Aa x Aa

B.) Aa x aa

C.) Aa x AA

Correct!

37) If the symbol below appeared in a recessive sex-linked pedigree, what would be the correct genotype for that symbol?

Select the correct letter.

a. X^AY

b. X^aY

c. X^AX^A

d. X^AX^a

A.) a

B.) b

C.) c

D.) d

Correct!

38) What is the term for all of the members of a single type that live in one place at one time?

A.) Community

B.) Ecosystem

C.) Population

Correct!

39) What is the study of the interactions of living organisms with one another and with their environment?

A.) Biodiversity

B.) Ecology

C.) Environmental science

Correct!

40) Which ecosystem profile below has the greatest biodiversity?

A.) An area with 250 birds of 6 different species, 300 trees of 10 different species, and 100 mushrooms of 8 different species.

B.) An area with 500 birds of 3 different species, 400 trees of 6 different species, and 200 mushrooms of 4 different species.

C.) An area with 250 birds of 5 different species, 300 trees of 9 different species, and 100 mushrooms of 7 different species.

Incorrect

41) What type of succession would occur after a forest fire?

A.) Primary succession

B.) Secondary succession

C.) Pioneer species

Correct!

42) In what biome can deciduous and evergreen trees be found?

A.) Savannas

B.) Temperate Deserts

C.) Temperate Forests

Correct!

43) In an energy pyramid, how much energy is available from one trophic level to the next, and how much energy is lost from one trophic level to the next?

A.) Available = 5%, Lost = 95%

B.) Available = 10%, Lost = 90%

C.) Available = 95%, Lost = 5%

Correct!

44) What are the two types of producers possible in an ecosystem?

A.) Consumers and decomposers

B.) Photosynthetic and chemosynthetic

C.) Primary and secondary

Correct!

45) What trophic level is responsible for replacing nutrients back into the ground for plants to utilize?

A.) Consumer

B.) Decomposer

C.) Producer

Correct!

46) According to the food chain below, what would be considered the primary consumer?

A.) Algae

B.) Krill

C.) Penguin

Correct!

47) According to the food chain below, what would be considered the producer?

A.) Algae

B.) Krill

C.) Seal

Correct!

48) According to the food web below, how many organisms directly consume the big fish?

A.) 1

B.) 2

C.) 3

Incorrect

49) According to the food web below, how many organisms does the crane directly consume?

A.) 0

B.) 1

C.) 2

Correct!

50) Which biogeochemical cycle is closely related to the oxygen cycle?

A.) Carbon cycle

B.) Nitrogen cycle

C.) Phosphorus cycle

Correct!

51) What process is responsible for removing carbon dioxide from the atmosphere to make chemical energy?

A.) Combustion

B.) Denitrification

C.) Photosynthesis

Correct!

52) Which of the methods below introduces carbon dioxide into the atmosphere?

A.) Assimilation

B.) Cellular respiration

C.) Denitrification

Correct!

53) Which of the following has the highest population density?

A.) 100 rabbits in a 10,000 square mile area.

B.) 100 rabbits in a 1,000 square mile area.

C.) 100 rabbits in a 100 square mile area.

Correct!

54) What type of growth involves slow steady growth that eventually reaches a maximum number of individuals that the environment can support?

A.) Exponential growth

B.) Logistic growth

C.) Population growth

Correct!

55) What type of interaction between two organisms results in both organisms gaining a benefit?

A.) Commensalism

B.) Mutualism

C.) Parasitism

Correct!

56) Which abiotic factor could influence population size?

A.) Availability of food for consumers.

B.) Presence of predators.

C.) Availability of water.

Correct!

57) What term describes an attempt to clean and fix a damaged ecosystem back to its original state?

A.) Conservation

B.) Deforestation

C.) Restoration

Correct!

58) Which item below contributes to the greenhouse effect?

A.) Acid rain

B.) Carbon dioxide (CO2)

C.) Chlorofluorocarbon (CFC)

Correct!

59) Which of the following is a nonrenewable resource?

A.) Aluminum

B.) Biomass

C.) Geothermal

Correct!

60) Which of the following has the 4 steps of Natural Selection in correct order?

A.) Adaptation, Overproduction, Selection, Variation

B.) Overproduction, Selection, Variation, Adaptation

C.) Overproduction, Variation, Selection, Adaptation

Correct!

61) In general, evolution is a _____ process of change.

A.) Fast

B.) Nonexistent

C.) Slow

Correct!

62) Evolution involves ______.

A.) Communities

B.) Ecosystems

C.) Populations

Correct!

63) Which of the following would be a correct genotype frequency?

A.) 0.50 A, 0.50 a

B.) 0.50 AA, 0.50 Aa

C.) 50%, 50%

Incorrect

64) Which equation below correctly demonstrates the Hardy-Weinberg Principle by way of the formula?

A.) 0.24 (TT) + 0.55 (Tt) + 0.21 (tt) = 2

B.) 0.30 (TT) + 0.50 (Tt) + 0.25 (tt) = 1

C.) 0.32 (TT) + 0.51 (Tt) + 0.17 (tt) = 1

Incorrect

65) What are the eight levels of classification, from most broad to most specific, used in the modern system of classification?

A.) Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

B.) Domain, Kingdom, Phylum, Class, Family, Genus, Species

C.) Species, Genus, Family, Order, Class, Phylum, Kingdom, Domain

Incorrect

66) Which part of the following scientific name is the genus of the organism, Panthera leo?

A.) Panthera

B.) Leo

C.) Panthera leo

Correct!

67)

Offline Activity

Task

Write a reflection on the most interesting topic learned in the semester, explaining why it was interesting and how it relates to real-world issues or personal interests.

Select Your Preferred Media: Depending on what you have available and what you're comfortable using, choose one of the following media formats:

• Notecards

• Poster (using paper and drawing/coloring materials)

• Paper (for writing or drawing)

• Audio Recording (using a phone, camera, or computer)

• Video Recording (using a phone, camera, or computer)

• PowerPoint or Google Slides Presentation

Final Step: Please ensure to attach all completed activities and fill in your log entries accordingly before submission.

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Correct!

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