Natural Selection
Define Natural Selection
What is the process by which organisms best adapted to their environment survive and reproduce?
Define Adaptation
What is an inherited trait that helps an organism survive in its environment?
Evidence that species evolved over time
Fossils
This describes what happens to genes when new traits appear in a population.
What is mutation?
This is a way to prove that species share common ancestry.
If their fossils, embryos, or bones are similar.
Charles Darwin is known for this.
Who is known as the father of the theory of natural selection?
Cliff Swallow's wing span changing is example of
What is adaptation?
This is where you would find the oldest fossils.
What is the deepest layer?
Define Variation
What is different traits among members of the same species?
Bird wings and insect wings are example of this.
What are Analogous structures?
This is what happens in Survival of the Fittest
What causes traits that improve survival to become more common over generations?
Adaptation___ the survival of a species.
Increases
Pedro fossils showed us this.
That he was almost 5 feet tall and related to modern day penguins.
These are traits that whales once had.
What are legs and feet?
Define Homologous Structure
What are structures that are the same in two organisms, but have different functions proving that they are related?
If a species cannot produce favorable traits.
They will slowly become extinct.
This trait changed on the Green Anole Lizard
Their sticky pads became larger.
This continent is where Pedro was found
What is South America?
This is a cause for extinction of a species.
They did not have favorable traits to survive in a new or changing environment.
This is a trait that humans evolve from when they go from being an embryo to a fetus.
What is their gills?
Define Artificial Selection
What is the name of the process by which humans breed animals or plants for desired traits?
Finches evolved this trait to survive
What is their beaks?
These are scientist that study ancient life through fossils.
What are paleontologists?
What is Natural Selection?
This is the type of relationship is the eyes on the fish and the eyes on a human.
What is Homologous?