Quiz , the scientific study of life (3) Flashcards

1
Q

why do organisms reproduce?

A

for survival. and it also enhances the chance of some individual will survive even if conditions change

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2
Q

why is there no organism exactly the same?

A

it is because of genetic mutations–changes in an organism’s DNA sequence

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3
Q

which ones will outcome the others and survive long enough to reproduce?

A

the answer is the ones with best adaptations to the current environment. it is also based on the inherited characteristics of an organism, by which those organisms that have poor reproduction is most likely to die and may cause extinction

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4
Q

which are the individuals most likely to survive?

A

the individuals with the best combinations of genes survive and reproduce.

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5
Q

blank is the mechanism that selects adaptations

A

evolution, which is a change in the genetic makeup of population over the multiple generations

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6
Q

blank selection is the mechanism that selects for adaptations

A

natural

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7
Q

what is the single most powerful idea in biology?

A

evolution

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8
Q

what is the solution on how scientists will be able to organize the ever-growing list of known organisms into meaningful categories?

A

taxonomy. the science of naming and classifying organisms.

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9
Q

what is the basic unit of classification?

A

the basic unit of classification is species

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10
Q

what helps taxonomists and other biologists communicate with one another?

A

scientific names

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11
Q

what suggests that all species fall into one of three domains?

A

genetic evidence

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12
Q

what is the common ancestor of a kangaroo and humans?

A

platypus

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