BIO 123 Study of Life Quiz. 23 Questions and Answers. 100% Correct Answers.

Study of life Quiz Which of the following shows three taxonomic levels from most to least inclusive?

Select one: a. species, genus, family b. domain, kingdom, phylum c. family, species, genus d. phylum, domain, kingdom e. family, class, species Feedback The correct answer is: domain, kingdom, phylum Incorrect Mark 0.00 out of 1.00

Question 2

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Question text Each of the following is a defining characteristic of life except _______.

Select one: a. disorder

b. use of materials and energy c. reproduction

d. homeostasis

e. responsiveness to stimuli

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The correct answer is: disorder Correct Mark 1.00 out of 1.00

Question 3

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Question text What process explains the unity and diversity of living organisms on our planet?

Select one:

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a. taxonomy

b. metabolism c. evolution

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d. homeostasis

e. reproduction

The correct answer is: evolution Incorrect Mark 0.00 out of 1.00

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Study of life Quiz

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Question text What level of biological organization typically includes the smallest amount of biological material?

Select one: a. ecosystem b. organism c. community d. organ e. population Feedback The correct answer is: organ Question 5

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Question text An example of ________ is flat leaves in plants that are able to provide more surface area for light exposure.

Select one: a. an adaptation b. homeostasis c. a mutation d. a gene e. a cell

Feedback The correct answer is: an adaptation

Question 6

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Study of life Quiz

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Question text What would be the result of all decomposers being removed from an ecosystem?

Select one: a. Energy would no longer be lost in the form of heat.

b. Nutrients from dead organisms could not be recycled into the ecosystem. c. The ecosystem would lose its ultimate source of energy.

d. Nutrient recycling from dead organisms would increase.

e. There would be no effect on the ecosystem; decomposers are not essential for ecosystem function.

Feedback The correct answer is: Nutrient recycling from dead organisms would increase.

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Question 7

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Question text You are observing a cell through a microscope and can see that it contains no nucleus. Based exclusively on this information, to which domain(s) might this organism belong?

Select one:

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a. Bacteria only b. Archaea only c. Eukarya only

d. Bacteria or Archaea but not Eukarya e. Bacteria, Archaea, or Eukarya Feedback

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Study of life Quiz The correct answer is: Bacteria or Archaea but not Eukarya Correct Mark 1.00 out of 1.00

Question 8

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Question text To what kingdom do humans belong?

Select one: a. Animals b. Plants c. Protists d. Fungi e. Archaea

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The correct answer is: Animals Incorrect Mark 0.00 out of 1.00

Question 9

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Question text An ecologist would most likely study ________.

Select one: a. cells

b. organs

c. communities d. tissues

e. organ systems

Feedback The correct answer is: communities Incorrect Mark 0.00 out of 1.00

Question 10

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Question text What is the term for a possible explanation for a natural event?

Select one: a. an observation b. a conclusion

c. a hypothesis d. a test e. data

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Study of life Quiz Feedback The correct answer is: a hypothesis Incorrect Mark 0.00 out of 1.00

Question 11

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Question text In an experiment, what can be used for comparison to show if the treatment worked or not?

Select one: a. Conclusion b. Testing c. Control group

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d. Hypothesis e. Observation

Feedback The correct answer is: Control group Incorrect Mark 0.00 out of 1.00

Question 12

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Question text Which of the following levels of taxonomy comprises the fewest number of organisms?

Select one: a. Family b. Class c. Order

d. Phylum e. Genus

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The correct answer is: Genus

Question 13

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Question text What kingdom is characterized by eukaryotic, multicellular organisms that ingest their food?

Select one: a. Fungi b. Plants

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Study of life Quiz c. Protists d. Animals e. Archaea Feedback The correct answer is: Animals Correct Mark 1.00 out of 1.00

Question 14

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Question text What is the main driving force behind evolution?

Select one: a. natural selection

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b. metabolism

c. homeostasis

d. photosynthesis e. organization

Feedback The correct answer is: natural selection

Question 15

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Question text The biosphere has been negatively affected by humans in all of the following ways except _______.

Select one: a. overcollecting coral from reefs b. sending eroded sediments into waterways

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Study of life Quiz c. logging forests excessively d. establishing too numerous seagrass beds

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e. allowing excess fertilizer to run off Feedback The correct answer is: establishing too numerous seagrass beds

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