Natural Selection Vocabulary Flashcards

1
Q

Adaption

A

A charecteristic that improves an induviduals ability to survive and reproduce in a particular environment.

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2
Q

Species

A

A group of organisms that are closely related and can mate to produce fertile offspring.

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3
Q

Evolution

A

The process in which inherited characteristics within a population change over generations such that new species sometimes arise.

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4
Q

Fossil

A

The remains of physical evidence of an organism preserved by geological processes.

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5
Q

Fossil Record

A

A historical sequence of life indicated by fossils found in layers of the earth’s crust.

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6
Q

Trait

A

A genetically determined characteristic.

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7
Q

Selective Breeding

A

The human practice of breeding animals or plants that have certain desired characteristics.

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8
Q

Natural Selection

A

The process by which individuals that are better adapted to their environment survive and produce more successfully that less well adapted individuals do; a theory to explain that mechanism of evoulution.

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9
Q

Generation Time

A

The period between the birth of one generation and the birth of one generation and the birth of the next generation.

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10
Q

Speciation

A

The formation of new species as a result of evoulution.

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11
Q

relative dating

A

any method of determining whether an event or object is older or younger that other events or objects.

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12
Q

Absolute dating

A

any method of measuring the age of an object or event in years.

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13
Q

Geologic Time Scale

A

The standard method used to divide the Earths long natural history into manageable parts.

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14
Q

Extinct

A

Describes a species that has died out completely .

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15
Q

plate tectonics

A

The theory that explains how large pieces of the Earths outermost layer,called tectonic plates, move and change shape.

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16
Q

Primate

A

A type of mammal charterized by opposable thumbs and binocular vision.

17
Q

Hominid

A

A type of primate charterized by bipedalism , relatively long lower limbs

18
Q

Homosepiens

A

Humans