Question 1

Which of the following best illustrates the concept of emergent properties in biology?

Accepted Answer

A heart cell can pump blood, but the heart as an organ can circulate blood throughout the body.

Question 2

Which of the following correctly lists the levels of biological organization from smallest to largest?

Accepted Answer

Molecule, organelle, cell, tissue, organ, organism, population, community, ecosystem, biosphere

Question 3

A scientist observes that a certain plant grows faster in sunlight than in shade. She proposes that sunlight increases the rate of photosynthesis, leading to faster growth. Which step of the scientific method is she performing?

Accepted Answer

Formulating a hypothesis

Question 4

Which of the following statements about DNA is correct?

Accepted Answer

DNA stores genetic information in the sequence of its nucleotides.

Question 5

Which of the following best describes the flow of energy and matter in an ecosystem?

Accepted Answer

Energy flows one way through the ecosystem, while matter cycles.

Question 6

Which of the following is a key difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus containing DNA, while prokaryotic cells lack a nucleus.

Question 7

Which of the following is an example of inductive reasoning in biology?

Accepted Answer

All observed swans are white; therefore, all swans must be white.

Question 8

Which of the following best explains how evolution accounts for both the unity and diversity of life?

Accepted Answer

Evolution produces diversity through adaptation to different environments, while unity is explained by shared ancestry.

Question 9

Which of the following is NOT one of the three domains of life?

Accepted Answer

Protista

Question 10

A controlled experiment is one that:

Accepted Answer

Includes a comparison between an experimental group and a control group.

Question 11

Which of the following best describes the difference between a scientific theory and a hypothesis?

Accepted Answer

A theory is broader in scope than a hypothesis and is supported by a large body of evidence.

Question 12

Which of the following is an example of adaptation as described by Darwin's theory of natural selection?

Accepted Answer

A population of insects becomes resistant to a pesticide over several generations.

Question 13

Which of the following best describes the process of gene expression?

Accepted Answer

The process by which the information in a gene is used to synthesize a functional product, such as a protein.

Question 14

A researcher collects data on the number of leaves on 100 different plants. This type of data is best described as:

Accepted Answer

Quantitative data

Question 15

Which of the following is an example of a structure-function relationship in biology?

Accepted Answer

The double-helix structure of DNA allows it to be copied accurately during cell division.

Question 16

Which of the following best describes the main idea of Darwin's theory of natural selection?

Accepted Answer

Individuals with traits best suited to their environment are more likely to survive and reproduce.

Question 17

Which of the following is a correct statement about the three domains of life and their cell types?

Accepted Answer

Bacteria and Archaea are made of prokaryotic cells, while Eukarya are made of eukaryotic cells.

Question 18

A student claims that because all known mammals nurse their young, any newly discovered animal that nurses its young must be a mammal. This reasoning is an example of:

Accepted Answer

Deductive reasoning

Question 19

In the Sneaky Salmon case study, researchers observed that some salmon returned to their home stream to spawn, while others did not. Which step of the scientific method does this observation represent?

Accepted Answer

Observation

Question 20

Which of the following best describes the role of a hypothesis in scientific inquiry?

Accepted Answer

A hypothesis is a testable explanation for an observation or question.

Introduction: Evolution and the Foundations of Biology (Study Guide and Success Strategies)

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