Question 1

Which of the following best describes the concept of homeostasis in living organisms?

Accepted Answer

The tendency to maintain and regulate internal structure and environment.

Question 2

A scientist observes that metal bars sink in water while wood floats. She hypothesizes that objects with greater weight sink in water. Which step of the scientific method should she perform next?

Accepted Answer

Conduct experiments to test the hypothesis.

Question 3

Which of the following is NOT a characteristic of life as described in the study materials?

Accepted Answer

Ability to photosynthesize.

Question 4

In the hierarchy of biological organization, which of the following is the correct order from smallest to largest?

Accepted Answer

Atoms, Molecules, Organelles, Cells

Question 5

Which of the following statements about domains and kingdoms is correct?

Accepted Answer

Domains are the largest groups, subdivided into kingdoms.

Question 6

A population of insects develops resistance to a pesticide over several generations. This is an example of which biological concept?

Accepted Answer

Natural selection

Question 7

Which of the following best illustrates the principle of natural causality as used in science?

Accepted Answer

All events have a natural cause that can be studied.

Question 8

Which of the following is an example of an autotroph?

Accepted Answer

A green plant using sunlight to make food.

Question 9

The scientific name for humans is $$Homo\ sapiens. $$According to the rules of binomial nomenclature, which of the following is true?

Accepted Answer

The genus name is capitalized and the species name is lowercase.

Question 10

Which of the following best explains why viruses are not considered living organisms according to the characteristics of life?

Accepted Answer

They do not maintain homeostasis or have organized cellular structure.

Question 11

A researcher is studying a newly discovered organism. It is multicellular, has organ systems, and obtains energy by consuming other organisms. To which domain and nutritional category does it most likely belong?

Accepted Answer

Domain Eukarya; heterotroph

Question 12

Which of the following scenarios best demonstrates the process of adaptation?

Accepted Answer

A population of moths changing color over generations to blend with tree bark.

Question 13

Which of the following is the correct sequence of steps in the scientific method?

Accepted Answer

Observation, Hypothesis, Experiment, Conclusion

Question 14

Which of the following best describes a scientific theory?

Accepted Answer

An explanation of natural events based on many observations and experiments.

Question 15

If a scientist discovers a new single-celled organism that lacks a nucleus, to which domain does it most likely belong?

Accepted Answer

Bacteria

Question 16

Which of the following is an example of a response to a stimulus?

Accepted Answer

A person blinking when a bright light is shined in their eyes.

Question 17

Which of the following best illustrates the concept of metabolism?

Accepted Answer

A plant converting sunlight, water, and carbon dioxide into glucose and oxygen.

Question 18

Which of the following is a correct example of binomial nomenclature?

Accepted Answer

Homo sapiens

Question 19

A student claims that all living things must be able to move. Based on the characteristics of life, how should you respond?

Accepted Answer

Movement is not a required characteristic of life; not all living things move.

Question 20

Which of the following best explains why scientific names are used instead of common names?

Accepted Answer

Scientific names provide a unique and universally accepted identification for each species.

Introduction to Life on Earth: Foundations of General Biology

Study Guide - Practice Questions

Study Guide - Flashcards