Topic 1:Biological diversity Flashcards

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1
Q

all life on earth is related because

A

we all evolved from a common ancestor

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2
Q

Diversity of life on earth arose from…

A

through evolution

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3
Q

what are threats to biodiversity

A

-resource exploitation
-conversion of land
-pollution
-transport of species
-global climate change
these all cause habitat loss which affects the animals

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4
Q

whats the unifying theme of Biology

A

Evolution

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5
Q

what are theories , and how are they constructed

A

is an explanation/ observation of the natural world, they have been constructed using scientific method

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6
Q

How is science conducted

A

observation-> question

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7
Q

proximate questions

A

don’t require evolutionary explanation, it deals more with how this trait works

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8
Q

Ultimate questons

A

they deal with the evolutionary origin and the function of the trait

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9
Q

what comes after question in scientific method

A

after one makes an observation and come up with a question they generate a hypothesis

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10
Q

whats a Hypothesis

A

-is the POSSIBLE explanation for an observation
-needs to be knowledge based
-needs to be testable and falsifiable (to be testes, and proved wrong)

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11
Q

scientific method (its steps)

A

-uses deductive reasoning (meaning going form general to specific)
observation->question->hypothesis->prediction->hypothesis tested->conclusion (does it support or reject your hypothesis)

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12
Q

correlation vs. causation

A

the correlation between 2 factors down mean that change in one factor causes the other to do the same
ex. if bean growth decreased the same time of year fifa won, that doesn’t mean did caused beans to grow more.

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