Question 1

Which of the following is NOT a property of life as defined by biologists?

Accepted Answer

Ability to photosynthesize

Question 2

Why are viruses generally NOT considered alive by biologists?

Accepted Answer

They cannot reproduce on their own without a host cell

Question 3

Which domain includes organisms with complex cells containing nuclei?

Accepted Answer

Domain Eukarya

Question 4

Place the following levels of biological organization in order from smallest to largest: tissue, molecule, organ, cell.

Accepted Answer

Molecule, cell, tissue, organ

Question 5

Which of the following best describes an emergent property?

Accepted Answer

A property that arises from the arrangement and interaction of parts within a system

Question 6

A scientist hypothesizes that a certain fertilizer increases plant growth. In her experiment, the amount of fertilizer is the:

Accepted Answer

Independent variable

Question 7

Which of the following statements about scientific theories is TRUE?

Accepted Answer

They are broad explanations supported by a large body of evidence

Question 8

In the experiment by Francesco Redi, what was the dependent variable?

Accepted Answer

The presence or absence of maggots

Question 9

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

Accepted Answer

The double helix shape of DNA allows it to store genetic information

Question 10

Which of the following is an example of artificial selection?

Accepted Answer

Humans breeding dogs for specific traits

Question 11

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

Accepted Answer

Energy enters as sunlight, is converted by producers, passed to consumers, and exits as heat

Question 12

Why are comparisons of DNA sequences considered observational data rather than experimental data?

Accepted Answer

Because scientists are collecting and comparing existing information without altering variables

Question 13

Which of the following is a key difference between science and technology?

Accepted Answer

Science seeks to understand natural phenomena, while technology applies scientific knowledge for practical purposes

Question 14

Which of the following is an example of homeostasis?

Accepted Answer

A human sweating to cool down when overheated

Question 15

Which of the following best explains why matching factors such as age and health in control and experimental groups is important in an experiment?

Accepted Answer

To ensure that differences in results are due to the independent variable and not other factors

Question 16

Which of the following is the main requirement for a scientific hypothesis?

Accepted Answer

It must be testable and falsifiable

Question 17

Which of the following is an example of a quantitative observation?

Accepted Answer

There are 12 fish in the tank

Question 18

Which of the following best describes the cause and effect of unequal reproductive success in evolution?

Accepted Answer

Individuals with traits better suited to the environment tend to leave more offspring, leading to adaptation

Question 19

Which of the following is an example of how humans act as agents of both artificial and natural selection?

Accepted Answer

Humans breed crops for higher yield and also use pesticides, which select for resistant pests

Question 20

Which of the following best illustrates the concept of systems biology?

Accepted Answer

Studying how the parts of a cell interact to produce life functions

Chapter 1: Biology – Exploring Life (Campbell Biology: Concepts & Connections, 10th Edition)

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