Biology Evolution-Ch. 16

These are flashcards on evolution (chapter 16).

91 cards   |   Total Attempts: 182
  

Cards In This Set

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Evolution
The process by which species change over time
Theory
A broad explanation that has been scientifically tested and supported
When did modern evolutionary theory begin?
When Darwin presented evidence that evolution happens and offered an explanation of how evolution happens
What did Darwin's experiences provide him with?
Evidence of evolution at work
What was his first voyage/ship called?
The Beagle
In South America, he collected what?
Fossils of giant, extinct armadillos
What did he notice about the armadillo fossils in South America?
That they were similar, but not identical, to the living armadillos in the area
What did he collect in the Galapagos Islands?
Several different species of finches
How were the finches different?
Shapes and sizes of the beaks
Why did the finches have different sized beaks?
The beak suited the bird's food.
What two things were similar, but not identical, in the Galapagos Islands and South America?
Plants and animals
What did Darwin propose about the species in the G.I. and S.A.?
The G.I. species descended from species that came from S.A.
Descent with modification
The change when a species migrates from one area to another and are modified and changed over time to adapt to their environment (ex.-food)
What did Darwin breed?
Exotic pigeons
Artificial selection
The human practice of breeding animals or plants that have certain desired traits