AP Biology Practice Quiz: Evidence of Evolution

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 14 questions to check your progress.

Question 1 of 14

According to the provided text, what do morphological, biochemical, and geological data collectively provide evidence for?

A)The stability of species throughout geological time.B)That organisms have changed over time.C)The exact mechanism of genetic inheritance.D)The mathematical principles governing population growth.

All Questions (14)

According to the provided text, what do morphological, biochemical, and geological data collectively provide evidence for?

A) The stability of species throughout geological time.

B) That organisms have changed over time.

C) The exact mechanism of genetic inheritance.

D) The mathematical principles governing population growth.

Correct Answer: B

The text explicitly states that 'morphological, biochemical, and geological data provide evidence that organisms have changed over time.'

A scientist observes that the bone structure of a whale's flipper is similar to the bone structure of a human hand. Based on the text, this observation is an example of what type of evidence that enhances our understanding of evolution?

A) DNA nucleotide sequences

B) Geological data

C) Homologous structures

D) Protein amino acid sequences

Correct Answer: C

The text mentions that morphological evidence, which includes the study of physical structures, enhances our understanding of concepts like 'homologous structures.' The comparison of bone structures between different species is a classic example of this.

Which of the following scientific disciplines is explicitly mentioned in the text as providing evidence that supports evolution?

A) Psychology

B) Sociology

C) Physics

D) Anthropology

Correct Answer: C

The text states that 'Evolution is supported by a wide range of scientific evidence from disciplines like geography, geology, physics, biochemistry, and mathematics.'

Based on the provided content, which type of analysis offers strong evidence for both evolution and the concept of common ancestry?

A) Dating of rock layers where fossils are found.

B) Comparing the geographical distribution of organisms.

C) Analyzing the mathematical models of population dynamics.

D) Comparing DNA nucleotide and protein amino acid sequences.

Correct Answer: D

The text specifies that 'Comparisons of DNA nucleotide sequences and protein amino acid sequences provide strong evidence for evolution and common ancestry.'

The text indicates that our understanding of evolution is enhanced by evidence from which of the following sources?

A) Only living organisms

B) Only extinct organisms

C) Both living and extinct organisms

D) Only microscopic organisms

Correct Answer: C

The content states that 'Molecular, morphological, and genetic evidence from both living and extinct organisms enhances our understanding of evolution.'

A researcher determines that the cytochrome c protein in humans shares 90% of its amino acid sequence with chimpanzees but only 65% with kangaroos. According to the text, this finding is a form of which type of evidence?

A) Geological

B) Morphological

C) Biochemical

D) Geographical

Correct Answer: C

The text identifies the comparison of 'protein amino acid sequences' as a type of biochemical data that provides strong evidence for evolution and common ancestry.

The text states that molecular, morphological, and genetic evidence enhances our understanding of evolution, including which two specific examples?

A) Climate change and plate tectonics

B) Fossil dating and homologous structures

C) Genetic drift and natural selection

D) Speciation and extinction events

Correct Answer: B

The fourth content point explicitly mentions that this evidence 'enhances our understanding of evolution, including fossil dating and homologous structures.'

The study of the physical forms and structures of organisms, such as the shape of a bird's beak or the arrangement of bones in a fossil, falls under which category of evidence mentioned in the text?

A) Biochemical

B) Geological

C) Morphological

D) Mathematical

Correct Answer: C

Morphology is the study of the form and structure of organisms. The text lists 'morphological' data as a key type of evidence for evolution.

A student claims that the most powerful and convincing evidence for common ancestry comes from studying the fossil record. How does the provided text refine or challenge this claim?

A) It fully supports the claim, stating fossils are the only valid evidence.

B) It refutes the claim, stating that only mathematical models are useful.

C) It refines the claim by highlighting that molecular comparisons of DNA and protein provide 'strong evidence' for common ancestry.

D) It ignores the claim by focusing exclusively on geographical evidence.

Correct Answer: C

While the text acknowledges evidence from extinct organisms (fossils), it specifically points out that 'Comparisons of DNA nucleotide sequences and protein amino acid sequences provide strong evidence for evolution and common ancestry,' suggesting molecular data is a particularly powerful line of evidence.

Which statement best summarizes the overall message of the provided text regarding evidence for evolution?

A) Evolution is a theory supported by a single, definitive piece of evidence.

B) The evidence for evolution is primarily based on the study of living organisms.

C) Evolution is supported by a wide range of data from multiple scientific fields.

D) Biochemical evidence is the only type of data that proves organisms have changed.

Correct Answer: C

The text repeatedly emphasizes that evolution is supported by a 'wide range' of evidence from disciplines like geography, geology, physics, and biochemistry, and includes data types such as morphological, molecular, and genetic.

The analysis of rock layers to determine the relative ages of fossils is an example of which type of data mentioned in the text?

A) Biochemical

B) Geological

C) Morphological

D) Genetic

Correct Answer: B

The text lists 'geological data' as evidence that organisms have changed over time. The study of rock layers (stratigraphy) is a fundamental aspect of geology used in fossil dating.

According to the text, what is the primary conclusion drawn from comparing the DNA and protein sequences of different organisms?

A) It proves that all organisms have identical genetic codes.

B) It provides strong evidence for evolution and common ancestry.

C) It determines the exact age of an organism.

D) It explains the geographical distribution of species.

Correct Answer: B

The fifth content point directly states that 'Comparisons of DNA nucleotide sequences and protein amino acid sequences provide strong evidence for evolution and common ancestry.'

Which of the following is NOT a type of data explicitly listed in the text as providing evidence for evolution?

A) Morphological

B) Geological

C) Behavioral

D) Biochemical

Correct Answer: C

The text describes morphological, biochemical, geological, molecular, and genetic data as evidence. It does not mention behavioral data.

How do the different types of evidence mentioned in the text (molecular, morphological, geological) work together to support the theory of evolution?

A) They provide contradictory information that scientists must choose between.

B) Each type of evidence is isolated and only explains one aspect of evolution.

C) They provide a wide range of converging, independent lines of evidence that organisms have changed over time.

D) The geological evidence is used to disprove the molecular and morphological evidence.

Correct Answer: C

The text implies a consilience of evidence by stating that evolution is supported by a 'wide range of scientific evidence' from many disciplines and data types. This suggests that these different lines of evidence all point to the same conclusion: that organisms have changed over time.