Bgg Flashcards

0
Q

Adaptation

A

A trait that helps an organism survive and reproduce

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1
Q

Species

A

A group of similar organisms that can mate and produce fertile offspring

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2
Q

Scientific theory

A

A theory proposed by scientist

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3
Q

Evolution

A

Process by which species gradually change over time

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4
Q

Natural selection

A

Process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the species

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5
Q

Overproduction

A

Most species produce far more offspring than can survive. Offspring are produced like this, not enough resources food water and living space

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6
Q

Competition

A

Offsprings must compete with each other for food to survive

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7
Q

Variation

A

Differences between members of the same species

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8
Q

Selection

A

Some variation makes certain individuals adapted to their environment those are more likely to survive and reproduce

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9
Q

Classification

A

The process of grouping things based on their similarities

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10
Q

Taxonomy

A

Science of how living things are classified

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11
Q

Taxonomic key

A

Tools that determine the id of organisms

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12
Q

Geographic isolation

A

Example - One of the main ways that new species form. Occurs when members of the species become cut off from the rest. ( members of an isolated group can mate with old members) example - kaibad squirrel

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13
Q

What did Darwin observed on the Galapagos islands that he thought was a result of evolution?

A

The organisms that have left the mainland to go to the Galapagos islands were producing different offspring that they would have on the mainland

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14
Q

How did the finches and the evolution of their beaks demonstrate evolution

A

Evolution is the process by which species change gradually over time to better adapted to their environment. The finches demonstrated this when their beaks got smaller and thinner to help them crack nuts for a easier way to eat

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15
Q

How does the new species form?

A

Geographic isolation

16
Q

Why do scientists classify organisms?

A

To make that easier to study

17
Q

How is it taxonomic key helpful?

A

Give the organisms ID