Natural Selection
A process where organisms with traits that help them survive and reproduce are more likely to pass those traits on.
What is natural selection?
When humans select organisms with desired traits to reproduce.
Artificial Selection
Name a species Charles Darwin studied that led to the development of his Theory of Natural Selection and Evolution.
Tortoises and Finches (birds)
An inherited trait that increases an organism's chance of survival and reproduction.
Adaptation
When the last individual of a species dies.
What is Extinction?
Name two factors required for natural selection to occur?
Variation, Reproduction, Environmental Change or Pressure
Give an example of Artificial Selection.
Dog breeding, crops bred for size or taste.
A scientist inserts a gene for drought resistance from a desert plant into corn. What kind of artificial selection is this an example of?
What is Genetic Modification (GMO)
When an organism blends into its environment.
Camouflage
In a litter of feral (wild) dogs, the bright white ones were easy for predators to spot. Two generations later, each dog in
the litter was grey. This is an example of _________________________.
Who is Charles Darwin?
What is the primary difference between artificial selection and natural selection?
Humans choose the traits instead of the environment.
A farmer only breeds the chickens that produce the most eggs. What is this an example of?
What is Selective Breeding
Slight differences within the same species.
Variation
An inherited trait that increases an organism's chance of surviving and reproducing in a particular environment.
What is adaptation?
Name of the Island Archipelago where Charles Darwin conducted his initial research about Natural Selection and Evolution?
What are the Galapagos Islands?
True or False: Artificial Selection usually leads to traits that help organisms survive better in their environment.
What is false?
Scientists replace a faulty gene in a patient with cystic fibrosis to help their cells function properly. What is this an example of?
What is Gene Therapy?
When one organism looks like an organism that has some kind of survival advantage.
What is mimicry.
An adaptation that involves internal body systems that affect and organisms biochemistry.
What are Functional Adaptations?
What is another name for Natural Selection?
What is Survival of the Fittest?
Anayah's dad breeds lizards of different colors. The bright green lizards are the best sellers. Therefore, he purposefully breeds bright green ones together to reproduce as many as possible. What kind of artificial selection is this an example of?
What is Selective Breeding?
Describe or identify a species that would most likely be able to evolve quickly with natural selection?
bacteria, or species that reproduce quickly
Change in a population over time.
Evolution
Some organisms hibernate during the winter, while other birds migrate (or move to warmer climates). These are examples of ...
What are behavioral adaptations?