Evidence of Evolving Flashcards

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1
Q

What is some evidence of evolution?

A

fossils, radioactive dating, law of superpostition, and fossil records

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2
Q

radioactive dating

A

it is a good way used to figure out how old something is

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3
Q

Law of superposition

A

in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom

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4
Q

fossil records

A

it is used to refer to the total number of fossils that have been discovered, as well as to the information derived from them

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5
Q

homologous structure

A

an example of an organ or bone that appears in different animals

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6
Q

analogous structure

A

body parts in different species that are similar in function but not in structure

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7
Q

adaptations

A

changes that increase an organism’s chance of survival

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8
Q

natural selection

A

survival and reproduction of those organisms best adapted to their suuroundings

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