Show:
Natural Selection
Adaptations
Evidence
Vocab
Miscellaneous
100
What is the differences between individuals that contributes to natural selection?
Variation
100
Darwin noticed that finches on islands with many large nuts had this adaptation.
A large beak for crushing
100
Where do we find evidence for what extinct organisms looked like?
Fossils
100
This is evidence for evolution is all the fossils ever found?
fossil record
100

What is the definition of Natural Selection?

The survival and reproduction of the organisms that are genetically best fit for their environment

200
What is the fight between individuals for limited resources called?
Competition
200
When industrial pollution darkened the trees this peppered moth trait became an adaptation.
Dark gray color.
200
What do we call similar body parts on dissimilar organisms that can be evidence for a common ancestor?
Homologous structures
200
What is a well tested concept that explains a wide range of observations?
Scientific Theory
200

The variety of dog and cat breeds that we have today are a product of _________ _____________.

Artificial selection.

300

What is producing many more offspring that can possibly survive?

Overproduction

300
What is found in every cell and a gives an organism its adaptations?
DNA
300

What evidence can be found when looking into a chicken's egg, a turtles egg and a rat fetus that indicate a common ancestor?

Similarities in early embryo development

300
What is a trait that helps an organism survive and reproduce?
Adaptation
300

Who is the father of Evolution?

Charles Darwin

400
What is required for natural selection to turn two groups into two different species?
Separation or isolation
400
Why is Lemark's theory that giraffes grew long necks from stretching wrong based on information about adaptations?
You are born with your adaptations
400
What are similarities in DNA an indication of?
A common ancestor
400
What method of determining a fossils age estimates the age based on the location of the fossil in the rock?
Relative Dating
400

Can an individual organism evolve?

NO!

500
How long does it take for evolution to occur?
MANY generations
500
Over time the single hoof adaptation became more common in horses as this trait disappeared.
What is three toes
500

What are body parts that share a common function but have a different structure?

analogous structures

500

What method uses the amount of radioactive material to determine the actual age of the fossil?

Radiometric/absolute dating

500

What happens if evolution is NOT occurring?

Genetic equilibrium