Question 1

Which of the following is NOT one of the seven characteristics of life as described in the study materials?

Accepted Answer

Ability to move rapidly over long distances

Question 2

A plant bends toward a window where sunlight is coming in. Which characteristic of life does this best illustrate?

Accepted Answer

Response to stimuli

Question 3

Which of the following best describes homeostasis?

Accepted Answer

The tendency of living things to maintain and regulate their internal environment

Question 4

Which of the following is the correct order of biological organization from smallest to largest?

Accepted Answer

Molecules, cells, tissues, organs, organ systems

Question 5

A scientist observes that metal bars sink in water and hypothesizes that all things with weight sink in water. Which step of the scientific method is the scientist performing by dropping a 25-pound log, 10 pounds of ice, and a pair of sunglasses into water?

Accepted Answer

Conducting experiments

Question 6

Which of the following statements about scientific theories is TRUE?

Accepted Answer

A scientific theory is an explanation of natural events based on many observations and/or experiments

Question 7

Which of the following best explains why evolutionary changes can lead to the formation of new species?

Accepted Answer

Because DNA changes accumulate over generations, leading to adaptation and reproductive isolation

Question 8

Which of the following is an example of metabolism as defined in the study materials?

Accepted Answer

A cell converting glucose and oxygen into energy, water, and carbon dioxide

Question 9

Which of the following is the correct way to write the scientific name for humans according to binomial nomenclature?

Accepted Answer

$Homo sapiens$

Question 10

If a population of organisms cannot reproduce, what is the most likely outcome according to the study materials?

Accepted Answer

The population will go extinct

Question 11

Which of the following best describes the principle of natural causality as it relates to science?

Accepted Answer

All events have a natural cause

Question 12

Which of the following is a correct statement about domains and kingdoms in biological classification?

Accepted Answer

Domains are the largest organizational groups, and kingdoms are subdivisions within domains

Question 13

A biologist is studying a newly discovered organism. It is multicellular, has organ systems, and obtains energy by consuming other organisms. Which of the following levels of organization and nutritional strategy does this organism most likely exhibit?

Accepted Answer

Organ system level; heterotroph

Question 14

Which of the following scenarios best illustrates the concept of adaptation as described in the study materials?

Accepted Answer

A population of insects developing resistance to a pesticide over several generations

Question 15

Which of the following is an example of an autotroph as defined in the study materials?

Accepted Answer

A green plant using sunlight to make food

Question 16

Which of the following best describes the process of scientific discovery as outlined in the study materials?

Accepted Answer

Making observations, forming a hypothesis, conducting experiments, and making conclusions

Question 17

Which of the following is a correct statement about the relationship between structure and function in living organisms?

Accepted Answer

The structure of an organism determines its function

Question 18

Which of the following best explains why scientific laws do not change with time or distance?

Accepted Answer

Because they are based on repeated observations and experiments that are consistent across time and space

Question 19

A population of fish is unable to adapt quickly enough to a sudden increase in water temperature. According to the study materials, what is the most likely outcome?

Accepted Answer

The population will go extinct

Question 20

Which of the following best describes the process of metabolism?

Accepted Answer

The sum of all chemical reactions that change raw material and energy into forms needed for maintenance, growth, and reproduction

Introduction to Life on Earth: Foundations of General Biology

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