Ch. 15 Vocab

Change over time in which modern organisms have descended from ancient organisms

• Homologous Structure

• Fossil

• Vestigial Organ

• Evolution

Answer explanation

The answer is collection of scientific facts, observations, and hypotheses known as evolutionary theory.

Well-supported testable explanation of phenomena that have occurred in the natural world

• Adaptation

• Theory

• Fitness

• Artificial selection

implies that all living organisms are related to one another

• Adaptation

• survival of the fittest

• Descent with modification

• Common Descent

organs with little or no functions

• Vestigial Organ

• Artificial selection

• Fossil

• None of the above

Individuals that are better suited to their environment that is, with adaptations that enable fitness survival and reproduce most successfully.

What process is this ?

• Artificial Selection

• Common Descent

• Survival of the fittest

• Fitness

Over time ____ _____ results in changes in the inherited characteristics of a population. These changes increase a species' fitness in its environment.

• Natural Selection

• Artificial Selection

• Homologous Structure

• Vestigial Organ

Nature provided the variation, and humans selected those variations that they found useful.

• Fitness

• Adaptation

• Artificial Selection

• Fossil

What provides strong evidence that all four-limbed vertebrate have descended, with modifications, from common ancestors.

• Evolution

• Homologous Structure

• Theory

• Struggle for Existence

inherited characteristic that increases an organism's chance of survival

• Adaptation

• Fitness

• Natural Selection

• Evolution

Ability of an individual to survive and reproduce in its specific environment.

• Fossil

• Theory

• Artificial selection

• Fitness