Shared Flashcard Set

Details

Evolution
For Studying
13
Science
7th Grade
03/29/2011

Additional Science Flashcards

 


 

Cards

Term

 

Homologous Structure

Definition
Body parts that are struturally similar in related species.
Term

 

Natural Selection

Definition
Survival & reproduction of a spaecies because they carry traits that best enable them to survive in their environment.
Term

 

Charles Darwin

Definition
Father of Evolution ; he arrived in a group of small island ( Galapaglos Island ) located in the Pacific Ocean, off the west coast of South America.
Term

 

Radioactive Dating

Definition

-Method used to find the EXACT age of fossil.

-Measures the amount of unstable atoms in the sample.


Term

 

Variations

Definition
Different Species
Term

 

Adaptation

Definition
A struture,function,or behavior (any type of Trait ) that enables a species to Survive in their "Specific Enviornment".
Term

 

Fossils

Definition
The preserved remains or traces of an organism that lived in the past.
Term

 

Extinction

Definition
For many Species Dying out.
Term

 

Beneficial

Definition
Term

 

Mutation

Definition
Random & Spont Aneous changes in the DNA of an organism.
Term

 

Evolution

Definition
The gradual change in the genetic make-up CDNAD of an entire species over along period of time.
Term

 

Relative Dating

Definition
Oldest fossil is further away from surface, the younger fossil is closer to the surface.
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