Variation
Natural Selection
Artificial Selection
Evolution
Year Review
100

Define Variation

genetic and/or trait differences amongst a species.

100

What is the evolutionary goal of all organisms?

to survive and reproduce

100

Term for when humans select favorable traits from animals/plants to get passed to the next generation

Selective Breeding

100

A group of genetically similar organisms that can mate and produce fertile offspring.

Species

100

The movement of particles from High to Low Concentration is called...

Diffusion

200

Variations (increases or decreases) a species chance of survival

Increases
200

A measure of how well an organism can survive in an environment

fitness 

200

When humans cross two species that don't normally mate, they create what is called a...

Hybrid

200

Related organisms most likely a recent common _____________

ancestor

200

A molecule that binds to receptors and helps the body communicate from cell to cell

Hormone (or neurotransmitter)

300

A random change in the DNA of an organism

mutation

300

Concept that those with favorable adaptations with will be selected for

survival of the fittest

300

A form of asexual reproduction where an exact copy of an organism is made by humans

Cloning

300

What plant are humans most closely related to? 

Banana plant.

300

This protein is made to mark pathogens for destruction

Antibody

400

A trait that increases the chance of survival of an organism 

Adaptation

400

When two or more organisms are in search of the same food, habitat, and/or resources, it is called...

Competition

400

Technique where scientists insert or cut out desired genes in organisms 

Genetic Enigeering

400

Type of diagram that shows the relationship of organisms to their ancestors and to eachother based on traits

phylogenetic tree or cladogram?

400

You know that a molecule is present when an indicator....

changes color, fizzes, chemical reaction. 

500

A different version of one gene

Allele

500

The factor that ultimately decides which organisms will survive and which will die

Selecting Agent

500

Molecule used by scientists to cut DNA at specific locations to insert or delete specific genes

Restriction Enzyme

500

Name of DNA Test where DNA is cut and separated by size. The patterns of the separations are analyzed to determine if the samples are related. 

DNA Gel Electrophoresis 

500

What does the word "Selectively Permeable" mean?

lets some things in while keeping others out.