<meta http-equiv="refresh" content="1; url=/nojavascript/"> Origin of Species | CK-12 Foundation
Dismiss
Skip Navigation
You are reading an older version of this FlexBook® textbook: CK-12 Life Science Concepts For Middle School Go to the latest version.

4.10: Origin of Species

Difficulty Level: At Grade Created by: CK-12
%
Progress
Practice Origin of Species
Practice
Progress
%
Practice Now
Loading Contents 

Vocabulary

allopatric speciation

allopatric speciation

New species is formed when groups from the same species are geographically isolated for long periods of time.
artificial selection

artificial selection

Selective breeding of plants or animals by humans to pass specific traits on to the next generation.
natural selection

natural selection

Process by which organisms with traits that better enable them to adapt to their environment will tend to survive and reproduce in greater numbers, causing beneficial heritable traits to become more common in a population.
speciation

speciation

Creation of a new species.
sympatric speciation

sympatric speciation

New species is formed when groups from the same species stop mating because of something other than physical separation.

Image Attributions

Description

Difficulty Level:

At Grade

Grades:

7 , 8

Date Created:

Nov 29, 2012

Last Modified:

Jan 12, 2015
Files can only be attached to the latest version of Modality

Reviews

Please wait...
Please wait...
Image Detail
Sizes: Medium | Original
 
SCI.LSC.428.3.L.1

Original text