Ch 15-17 Evolution

Principle that states all living things are from common ancestors

Which of these allows an organism to live in an environment to which it is well suited?

Individuals moving into or out of a population will lead to........

The ability to survive and reproduce

Preserved remains of an organism are called

When a single species evolves into several different forms it is called.

What was Lamarck's theory of evolution?

Which of these is an example of a fossil?

Process by which 2 species evolve in response to changes in each other over time

Process where unrelated organisms come to resemble each other

Pattern of long stable periods interrupted by brief periods of more rapid change

Differences among individuals of the same species is called......

Structures that develop from the same embryonic tissues, but have different mature forms

Sharks & dolphins have bodies that resemble each other; yet they are not related. This is:

When huge numbers of species disappear at once

Fossils, anatomy/embryology, & biogeography are evidence of evolution. What is the other?

Where do most fossils form?

Inherited characteristic that increases an organism’s chance of survival

Organs or structures that are reduced in size and/or not used for their intended purpose.....

Number & location of bones in many fossils are similar to those in living animals. This is....

The use of half-lives to determine the age of a sample

Change over time is called.....

A whales pelvis is considered a.....

Length of time required for half of the radioactive atoms in a sample to decay?

A species that no longer exists is......