Q: Which equation best represents the flow of energy in an ecosystem?

$$\text{Light energy} \rightarrow \text{Chemical energy} \rightarrow \text{Heat}$$

Question 1

Which of the following best describes an emergent property in biological systems?

Accepted Answer

A property that results from the arrangement and interaction of parts as complexity increases.

Question 2

Which of the following is NOT a unifying theme of biology?

Accepted Answer

Gravity

Question 3

A scientist observes that a hummingbird feeds from a flower and hypothesizes that the bird is attracted to the flower’s color. Which type of reasoning is the scientist using to form this hypothesis?

Accepted Answer

Inductive reasoning

Question 4

Which equation best represents the flow of energy in an ecosystem?

Accepted Answer

$$	ext{Light energy} ightarrow 	ext{Chemical energy} ightarrow 	ext{Heat}$$

Question 5

Which of the following statements about the cell theory is correct?

Accepted Answer

All living organisms are made from cells.

Question 6

Which domain includes organisms that have membrane-enclosed organelles?

Accepted Answer

Domain Eukarya

Question 7

Which of the following best illustrates the relationship between structure and function in biology?

Accepted Answer

The shape of a bat’s wing enables it to fly efficiently.

Question 8

Which of the following is an example of negative feedback regulation in biological systems?

Accepted Answer

A product inhibits the process that produced it, reducing its own concentration.

Question 9

Which of the following is a correct distinction between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells contain membrane-enclosed organelles, while prokaryotic cells do not.

Question 10

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

Accepted Answer

DNA is transcribed into RNA, which is then translated into a protein.

Question 11

Which of the following is a real-world example of adaptation resulting from natural selection?

Accepted Answer

Beach mice evolving lighter fur to blend in with sandy environments.

Question 12

Which of the following is a correct example of quantitative data?

Accepted Answer

The plant is 15 cm tall.

Question 13

Which of the following is a correct distinction between discovery science and hypothesis-based science?

Accepted Answer

Discovery science involves collecting and analyzing data, while hypothesis-based science involves forming and testing hypotheses.

Question 14

Which of the following is an example of deductive reasoning?

Accepted Answer

Using the general principle that all mammals have hair to predict that a newly discovered mammal will have hair.

Question 15

Which of the following best describes the relationship between science and technology?

Accepted Answer

Science aims to understand natural phenomena, while technology applies scientific knowledge for specific purposes.

Question 16

Which of the following is a correct distinction between the domains of life?

Accepted Answer

Bacteria and Archaea are prokaryotic, while Eukarya is eukaryotic.

Question 17

Which of the following is a plausible hypothesis for the difference in coloration between beach and inland mice?

Accepted Answer

The coloration evolved as an adaptation to protect the mice from predators.

Question 18

Which of the following best describes the scientific method?

Accepted Answer

An idealized process of inquiry that may involve backtracking and flexibility.

Question 19

Which of the following is a correct distinction between a hypothesis and a theory in science?

Accepted Answer

A theory is supported by a larger body of evidence than a hypothesis.

Question 20

Which of the following best illustrates the value of diverse viewpoints in science?

Accepted Answer

Science benefits from a diversity of backgrounds and viewpoints among its practitioners.

Chapter 1: Evolution, the Themes of Biology, and Scientific Inquiry – Study Notes

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