Question 1

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

Accepted Answer

A property that results from the arrangement and interaction of parts within a system.

Question 2

Which statement correctly distinguishes between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells contain membrane-enclosed organelles, including a DNA-containing nucleus.

Question 3

A scientist is studying the cycling of matter in an ecosystem. Which process is most directly involved in returning chemical elements to the environment?

Accepted Answer

Decomposition by decomposers

Question 4

Which of the following is NOT one of the five unifying themes of biology?

Accepted Answer

Photosynthesis

Question 5

In the mouse coat color experiment, what was the independent variable?

Accepted Answer

The color of the mouse models

Question 6

Which domain includes all eukaryotic organisms?

Accepted Answer

Domain Eukarya

Question 7

Which process best explains the unity and diversity of life?

Accepted Answer

Natural selection

Question 8

A DNA molecule is composed of two strands forming a double helix. Each strand is made up of nucleotides. Which of the following is NOT a nucleotide found in DNA?

Accepted Answer

Uracil (U)

Question 9

Which of the following is an example of inductive reasoning in biology?

Accepted Answer

Predicting that all mammals have hair because you have observed that several mammals do.

Question 10

Which of the following best describes the relationship between structure and function in biology?

Accepted Answer

Analyzing a biological structure can give clues about what it does and how it works.

Question 11

Which of the following is a correct statement about the flow of energy in an ecosystem?

Accepted Answer

Energy flows through an ecosystem, generally entering as sunlight and exiting as heat.

Question 12

Which of the following is a feature shared by all cells?

Accepted Answer

Enclosure by a membrane

Question 13

Which of the following is a reason why a scientific hypothesis must be testable and falsifiable?

Accepted Answer

So that it can be evaluated by experiment or observation

Question 14

Which of the following is an example of a controlled experiment?

Accepted Answer

Comparing the predation rates of camouflaged and non-camouflaged mouse models in the same habitat.

Question 15

Which of the following is true about the universality of the genetic code?

Accepted Answer

It is evidence that all life is related.

Question 16

Which of the following is a correct example of deductive reasoning in biology?

Accepted Answer

If all organisms are made of cells, and humans are organisms, then humans are made of cells.

Question 17

Which of the following is NOT a characteristic of a scientific theory?

Accepted Answer

It is a guess with little supporting evidence.

Question 18

Which of the following kingdoms is NOT included in the domain Eukarya?

Accepted Answer

Bacteria

Question 19

Which of the following best explains why the forelimbs of humans, horses, whales, and bats share a common skeletal architecture?

Accepted Answer

Inheritance from a common ancestor.

Question 20

Which of the following is a real-world example of how interactions between organisms and their environment can affect both parties?

Accepted Answer

A plant taking up water and minerals from the soil, and its roots breaking up rocks to contribute to soil formation.

Chapter 1: Introduction—Evolution and the Foundations of Biology

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