Define Variation
genetic and/or trait differences amongst a species.
What is the evolutionary goal of all organisms?
to survive and reproduce
Term for when humans select favorable traits from animals/plants to get passed to the next generation
Selective Breeding
A group of genetically similar organisms that can mate and produce fertile offspring.
Species
The movement of particles from High to Low Concentration is called...
Diffusion
Variations (increases or decreases) a species chance of survival
A measure of how well an organism can survive in an environment
fitness
When humans cross two species that don't normally mate, they create what is called a...
Hybrid
Related organisms most likely a recent common _____________
ancestor
A molecule that binds to receptors and helps the body communicate from cell to cell
Hormone (or neurotransmitter)
A random change in the DNA of an organism
mutation
Concept that those with favorable adaptations with will be selected for
survival of the fittest
A form of asexual reproduction where an exact copy of an organism is made by humans
Cloning
What plant are humans most closely related to?
Banana plant.
This protein is made to mark pathogens for destruction
Antibody
A trait that increases the chance of survival of an organism
Adaptation
When two or more organisms are in search of the same food, habitat, and/or resources, it is called...
Competition
Technique where scientists insert or cut out desired genes in organisms
Genetic Enigeering
Type of diagram that shows the relationship of organisms to their ancestors and to eachother based on traits
phylogenetic tree or cladogram?
You know that a molecule is present when an indicator....
changes color, fizzes, chemical reaction.
A different version of one gene
Allele
The factor that ultimately decides which organisms will survive and which will die
Selecting Agent
Molecule used by scientists to cut DNA at specific locations to insert or delete specific genes
Restriction Enzyme
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
What does the word "Selectively Permeable" mean?
lets some things in while keeping others out.