Pre-Quiz Evolution

Which of the following does speciation create?

• offspring

• a new species

• ancestors

• fossils

A trait that helps an organism survive and reproduce in its environment is called a(n) ___________________________.

• adaptation

• genetic change

• genetic variation

• selection

What is the process called in which organisms that are better adapted to their environment survive and reproduce more successfully than less well-adapted organisms do?

• species separation

• genetic change

• genetic resistance

• natural selection

The process by which populations slowly change over time is called ________________ (section 1)

• selective breeding
• speciation
• selection
• evolution

If an environment changes and the traits of a species don't help it survive, it may __________________________

• reproduce successfully

• become isolated

• become extinct

• prey on its neighbors

Scientists compare organisms' anatomy and DNA to support the theory that species share common _________________

• separation

• populations

• ancestors

• environments

A group of organisms that can mate with each other to produce fertile offspring is known as a(n)______________________________.

• adaptation

• population

• species

• evolution

What are the three lines of evidence that support the theory of evolution?

• fossils, anatomy, and DNA

• Darwin, Malthus, and Mendel

• fossils, DNA, and expert opinion

• pictures, videos, and models

The diagram illustrates an embryonic stage of two organisms. Which of the following can be determined by observing the embryos shown in the diagram?

• The organisms share a common ancestry.

• The organisms belong to the same genus.

• The organisms are native to the same geographic areas.

• The organisms will grow into anatomically similar adults.

The diagram illustrates an embryonic stage of two organisms. Which of the following can be determined by observing the embryos shown in the diagram?

• The organisms share a common ancestry.

• The organisms belong to the same genus.

• The organisms are native to the same geographic areas.

• The organisms will grow into anatomically similar adults.