Question 1

Which of the following best describes the process of natural selection?

Accepted Answer

Individuals with certain inherited traits tend to survive and reproduce at higher rates because of those traits.

Question 2

Which of the following is the correct order of life’s hierarchy of organization from largest to smallest?

Accepted Answer

Biosphere, Ecosystem, Community, Population, Organism

Question 3

A scientist observes that a plant grows faster in sunlight than in shade. She hypothesizes that light intensity affects growth rate. Which step of the scientific method is she performing?

Accepted Answer

Hypothesis

Question 4

Which of the following statements about prokaryotic and eukaryotic cells is correct?

Accepted Answer

Eukaryotic cells have membrane-enclosed organelles, the largest of which is usually the nucleus.

Question 5

Which of the following is an example of negative feedback regulation in living organisms?

Accepted Answer

High blood glucose stimulates the pancreas to secrete insulin, which lowers blood glucose.

Question 6

What is the correct binomial nomenclature for the chimpanzee?

Accepted Answer

Pan troglodytes

Question 7

Which of the following is NOT a step in the scientific method?

Accepted Answer

Classification

Question 8

If a hypothesis cannot be tested or falsified, it is considered:

Accepted Answer

Unscientific

Question 9

Which equation best represents the first law of thermodynamics as it applies to energy flow in ecosystems?

Accepted Answer

$$\Delta E = Q + W$$

Question 10

A controlled experiment is designed to test the effect of one variable. What is the variable that is manipulated by the researchers called?

Accepted Answer

Independent variable

Question 11

Which of the following is a correct statement about scientific theories?

Accepted Answer

A theory is broader in scope than a hypothesis and supported by a large body of evidence.

Question 12

Which process is responsible for the transmission of genetic information from parents to offspring?

Accepted Answer

DNA replication and inheritance

Question 13

Which reasoning method is used to derive generalizations from a large number of specific observations?

Accepted Answer

Inductive reasoning

Question 14

In the classification system, which level comes directly above 'Genus'?

Accepted Answer

Family

Question 15

Which of the following is a real-world example of positive feedback regulation?

Accepted Answer

Blood clotting cascade

Question 16

Which statement about evolution is correct?

Accepted Answer

Evolution is the change in the genetic composition of a population from generation to generation.

Question 17

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

Accepted Answer

Ability to photosynthesize

Question 18

Which of the following best describes the role of DNA in cells?

Accepted Answer

DNA contains genetic information that is transmitted during cell division.

Question 19

Which of the following is an example of a hypothesis that is NOT testable by scientific methods?

Accepted Answer

Ghosts cause flashlights to stop working.

Question 20

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

Accepted Answer

Observation, Question, Hypothesis, Prediction, Experiment

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

Study Guide - Practice Questions

Study Guide - Flashcards