Question 1

Which of the following is NOT considered one of the fundamental properties of life?

Accepted Answer

Ability to fly

Question 2

A scientist observes that a certain species of plant bends toward light. Which property of life does this best illustrate?

Accepted Answer

Response to the environment

Question 3

Which of the following statements about the three domains of life is correct?

Accepted Answer

Bacteria and Archaea are both composed of organisms with simple cells.

Question 4

In the scientific method, what is the primary purpose of a control group in an experiment?

Accepted Answer

To provide a baseline for comparison with the experimental group

Question 5

A researcher hypothesizes that a new fertilizer increases plant growth. She sets up two groups: one receives the fertilizer, the other does not. What is the dependent variable in this experiment?

Accepted Answer

The growth of the plants

Question 6

Which of the following best describes a scientific theory?

Accepted Answer

A well-supported explanation that is broad in scope and supported by a large body of evidence

Question 7

In the camouflage experiment with mouse decoys, what was the main conclusion?

Accepted Answer

Mice that match their environment are less likely to be attacked by predators.

Question 8

Which of the following is an example of evolutionary adaptation?

Accepted Answer

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

Question 9

Which of the following best illustrates the relationship between structure and function at the molecular level?

Accepted Answer

The shape of a protein determines its specific function in the cell

Question 10

Which of the following statements about energy flow and matter cycling in ecosystems is correct?

Accepted Answer

Energy flows in one direction, while matter cycles within the ecosystem

Question 11

A biologist is studying the interactions between different populations of organisms and their physical environment in a forest. At which level of biological organization is she working?

Accepted Answer

Ecosystem

Question 12

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

Accepted Answer

A lizard basking in the sun to raise its body temperature

Question 13

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

Accepted Answer

Properties that arise from the arrangement and interactions of parts within a system

Question 14

Which of the following is an example of information flow in biological systems?

Accepted Answer

DNA providing instructions for protein synthesis

Question 15

A population of bacteria is exposed to an antibiotic. After several generations, most bacteria are resistant. Which process best explains this outcome?

Accepted Answer

Natural selection

Question 16

Which of the following best describes the difference between a hypothesis and a theory in science?

Accepted Answer

A hypothesis is a tentative, testable explanation; a theory is a well-supported, broad explanation

Question 17

Which of the following is an example of a real-world application of the scientific method?

Accepted Answer

A doctor testing the effectiveness of a new drug by comparing treated and untreated patients

Question 18

Which of the following best illustrates the concept of common descent with modification?

Accepted Answer

All mammals share a common ancestor but have evolved different adaptations

Question 19

Which of the following is a correct statement about the role of DNA in living organisms?

Accepted Answer

DNA is responsible for heredity and programming the activities of a cell

Question 20

A scientist wants to test if a new type of mouse decoy is more effective at avoiding predation. She places equal numbers of the new decoy and a standard decoy in a field and records the number of attacks. Which statistical test would be most appropriate to determine if there is a significant difference in attack rates between the two decoy types?

Accepted Answer

A t-test comparing the means of two groups

Biology: Exploring Life – Chapter 1 Study Notes

Guida di studio - Domande di pratica

Study guide - Flashcard