Question 1

Which of the following best describes an emergent property in biological systems?

Accepted Answer

A property that arises only when individual components interact within a system.

Question 2

Which level of biological organization is defined as all living and nonliving things in a particular environment?

Accepted Answer

Ecosystem

Question 3

A scientist is studying the effect of sunlight on plant growth. She sets up several identical pots with the same soil and plant species, but varies the amount of sunlight each receives. What is the independent variable in this experiment?

Accepted Answer

The amount of sunlight

Question 4

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

Accepted Answer

Energy flows in one direction through an ecosystem, while chemicals cycle.

Question 5

Which domain contains organisms with membrane-bound organelles and a nucleus?

Accepted Answer

Eukarya

Question 6

According to Darwin's theory, what is the primary mechanism by which evolution occurs?

Accepted Answer

Natural selection

Question 7

Which of the following is NOT a major theme of biology as described in the study materials?

Accepted Answer

Gravity and Magnetism

Question 8

A controlled experiment is best described as:

Accepted Answer

An experiment in which only one variable is changed while others are kept constant.

Question 9

Which of the following best explains how evolution accounts for both the unity and diversity of life?

Accepted Answer

Evolution preserves common features from ancestors (unity) and produces adaptations to different environments (diversity).

Question 10

Which of the following is an example of information transfer in biology?

Accepted Answer

A gene coding for a fur color protein expressed as gray in a mouse.

Question 11

Which of the following is the correct hierarchical order in taxonomy from broadest to most specific?

Accepted Answer

Domain, kingdom, phylum, class, order, family, genus, species

Question 12

Which statement best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have a nucleus and membrane-bound organelles; prokaryotic cells do not.

Question 13

Which of the following is an example of an interaction between organisms in an ecosystem?

Accepted Answer

A bee pollinating a flower.

Question 14

Which of the following is a scientific theory?

Accepted Answer

A widely accepted, rigorously tested hypothesis supported by evidence from many researchers.

Question 15

Which of the following is NOT a characteristic of organisms in the domain Eukarya?

Accepted Answer

Lack of DNA

Question 16

Which of the following best describes a hypothesis in scientific inquiry?

Accepted Answer

A testable, arguable, and falsifiable statement concerning an environment or phenomenon.

Question 17

Which of the following is an example of a dependent variable in an experiment?

Accepted Answer

The height of the plant measured after growth

Question 18

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

Accepted Answer

Species accumulate differences from their ancestors as they adapt to different environments over time.

Question 19

Which of the following is a correct example of energy transfer in an ecosystem?

Accepted Answer

A plant using sunlight to produce glucose through photosynthesis.

Question 20

Which of the following is NOT a requirement for a scientific hypothesis?

Accepted Answer

It must be supernatural.

Foundations of General Biology: Unifying Themes, Organization, and Scientific Inquiry

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