Natural Selection
Adaptations
Evidence
Fossils
Vocab
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
What is bone or wood that has been turned to stone?
Petrified fossils
100
This is evidence for evolution is all the fossils ever found?
fossil record
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 type of fossil is the result of a decomposed object leaving a hole in the rock?
a mold
200
What is a well tested concept that explains a wide range of observations?
Scientific Theory
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 development
300
This is a fossil that is created when minerals fill an empty space before turning to stone.
Cast
300
What is a trait that helps an organism survive and reproduce?
Adaptation
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
A wooly mammoth was found fossilized in this substance.
Ice
400
What method of determining a fossils age estimates the age based on the location of the fossil in the rock?
Relative Dating
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
Combined evidence can be used to create what type of graphic showing evolutionary relationships?
branching tree
500
Insects can become trapped in sap that solidifies over time to become this semi-precious stone.
Amber
500
What method uses the amount of radioactive material to determine the actual age of the fossil?
Absolute dating
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