Question 1

Which of the following is NOT a property shared by all living organisms?

Accepted Answer

Ability to reproduce

Question 2

Which domain contains organisms with simple cells that lack a nucleus?

Accepted Answer

Domain Bacteria

Question 3

In the hierarchy of biological organization, which level includes all others listed: cell, molecule, organ, tissue?

Accepted Answer

Organ

Question 4

A scientific theory is best described as:

Accepted Answer

A broad explanation supported by a large body of evidence

Question 5

In a controlled experiment, the variable that is manipulated by the researcher is called the:

Accepted Answer

Independent variable

Question 6

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

Accepted Answer

Because scientists observe and record existing sequences without altering them

Question 7

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

Accepted Answer

A box of bicycle parts assembled into a working bicycle

Question 8

Which of the following is a correct sequence of the flow of energy through an ecosystem?

Accepted Answer

Sunlight → Producers → Consumers → Decomposers → Heat

Question 9

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

Accepted Answer

Technology applies scientific knowledge for specific purposes

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 statements about DNA is correct?

Accepted Answer

DNA is responsible for heredity and provides the blueprint for proteins

Question 12

Which of the following best explains why the structure of hemoglobin is important for its function?

Accepted Answer

Its structure allows it to transport oxygen in the blood

Question 13

Which of the following is a direct result of unequal reproductive success?

Accepted Answer

Traits that enhance survival become more common in a population

Question 14

Which of the following is an example of a hypothesis that can be tested scientifically?

Accepted Answer

Plants grow faster when exposed to blue light than red light

Question 15

In the process of science, what is the main requirement for a scientific hypothesis?

Accepted Answer

It must be testable and falsifiable

Question 16

Which of the following best describes the role of decomposers in an ecosystem?

Accepted Answer

They return chemicals to the soil and environment

Question 17

Which of the following is an example of how structure and function are related in biology?

Accepted Answer

The long extensions of nerve cells enable them to transmit impulses over long distances

Question 18

Which of the following best describes the difference between a population and a community?

Accepted Answer

A population includes all organisms of one species in an area; a community includes all organisms of all species in an area

Question 19

Which of the following is a real-world example of how humans act as agents of natural selection?

Accepted Answer

The development of antibiotic-resistant bacteria due to overuse of antibiotics

Question 20

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

Accepted Answer

It models the behavior of biological systems by analyzing the interactions among their parts

Biology: The Study of Scientific Life – Chapter 1 Study Notes

Study Guide - Practice Questions