Change in a kind of organism over time; process by which modern organisms have descended from ancient organisms.

A natural process resulting in the evolution of organisms best adapted to the environment.

The act of concealing the identity of something by modifying its appearance to blend in

The remnant of an organ that had a function in an early ancestor is known as a(n)

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

On the cladogram, which organism is the closest relative of the human?

What is the process of which humans breed organisms for certain traits?

Vertebrate embryos pass through similar stages of development is evidence for

Survival of the Fittest and Evolution were proposed by what scientist?

What type of structure does this image illustrate?

The process by which organisms better adapted to their environment tend to survive and produce more offspring is known as:

Which term describes a structure that has lost all or most of its original function in the course of evolution?

What is the term for the formation of a new species as a result of evolution?