Give me an example
Give me an example of an environmental pressure.
Food shortage, predators, etc.
What is speciation?
The formation of a new species.
What is the theory that species change over time?
Evolution
Who discovered the mechanism for evolution?
Charles Darwin
Crossbreeding one breed with another will result in an offspring that is a ...?
Hybrid
Give me an example of an adaptation.
White fur for snow rabbits, green color for grasshoppers, dark coloration for peppered moths, etc.
What is a species?
Interbreeding populations.
What is the mechanism of evolution?
Natural Selection
Emigration and Immigration are examples of...?
Gene flow
Genetically Modified Organism
Give me an example of a species.
Humans, canines, felines, etc.
What mode (form) of speciation happens when there is a geographical barrier?
Allopatric Speciation
What are mutations that help organisms survive and reproduce called?
Adaptations
What is the diagram called that shows relationships between organisms?
Cladogram
What is the process when humans decide the favorable trait to breed with another generation?
Selective Breeding or Artificial Selection
Give me an example of natural selection.
Peppered moths, Sickle Cell trait, Rabbit fur color, etc.
What is the term for when a population drastically decreases in size?
Bottleneck Effect
What are structures that are similar in related organisms?
Homologous
What is one example of a vestigial structure?
Appendix, wisdom teeth, etc.
Organisms that contain genes from more than one species are called...?
Transgenic organisms
Give me an example of allopatric speciation.
Islands, rivers, cannons, roads, etc.
What mode (form) of speciation takes place when there is NO geographic barrier?
Sympatric speciation
What is a structure that is part of the body but has no apparent function?
Vestigial
What is it called when an organism adapts to "copy" the appearance of another organism?
Mimicry
What process organizes DNA into fragments based on size and produces a DNA fingerprint?
Gel Electrophoresis