Evolution
Change in heritable characteristics of a population over generations.
What is Evolution?
The process where organisms with better traits survive and reproduce better.
What is natural selection?
Formation of new species from existing species.
What is speciation?
The scientist who proposed the theory of evolution by natural selection.
Who is Charles Darwin?
Preserved remains of ancient organisms found in rocks.
What are fossils?
Characteristics that improve an organism's survival in its environment.
What is an adaptation?
The specific role an organism plays within its ecosystem(Diets, Habitats)
what is niche?
Islands where Darwin studied finches and tortoises.
What are the Galapagos Islands?
In evolutionary terms, this word refers not to how much an animal can lift, but how well it can survive and reproduce in its environment.
What is fitness?
Similar bone structures in different animals show common ancestry.
What is homologous structures?
When an organism blends into surrounding to avoid predators.
What is camouflage?
A type of speciation that occurs without geographic separation, but often through behavioral changes
what is sympatric speciation?
Darwin's finches evolve different beaks depending on their food source.
Why are Darwin's finches different?
What is competition?
The preserved remains of previously living organisms or their traces, dating from the distant past.
What is the evidence of evolution (fossil)?
The selective breeding of plants or animals by humans to develop specific traits.
What is artificial selection?
When two populations can no longer breed together.
What is reproductive isolation?
The process, that Darwin's Finches also gone through, where one ancestor species evolves into many different forms to fit different environments.
What is adaptive radiation?
The rapid evolution of "superbugs" caused by the overuse of medicine.
what is antibiotic resistance?
This pattern occurs when one species rapidly evolves into many, like Darwin's finches.
what is adaptive radiation?
Natural selection cannot occur without these individual differences, which ensure that at least some members of a species might possess traits suited for a changing environment.
what is genetic variation?
when a population is split by a physical barrier, experiences different selection pressures, and eventually undergoes reproductive isolation to become two distinct species.
What is allopatric speciation?
He used artificial selection to show that species can change when specific traits are chosen for breeding.
Why did Darwin use artificial selection to support his theory of natural selection?
Humans are forcing species to either migrate, go extinct, or undergo the rapid change by altering global temperatures.
What is evolutionary adaptation?