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Biology > Exam 2 > Flashcards

Exam 2 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Mitosis

A

One cell splits into two and all the chromosomes are the same.

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2
Q

Meiosis

A

One cell splits into four and all have halve the chromosomes.

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3
Q

Law of segregation

A

There are two factors in every trait. One dominate and one recessive passed through gametes.

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4
Q

Law of independent assortment

A

traits are inherited independently

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5
Q

RNA

A

A nucleic acid present in all living cells.

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6
Q

Transcription

A

Coping the genetic process from DNA to RNA.

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7
Q

Translation

A

The process of converting info from RNA bases to amino acids.

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8
Q

absolute dating

A

gives a date in years using isotopes

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9
Q

RNA world hypothesis

A

RNA was one of the first organic molecule

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10
Q

Permian extinction

A

90% of life extinct

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11
Q

Binomial nomenclature

A

A two word name for each species

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12
Q

phylogenic classification

A

classification based on evolutionary history

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13
Q

adaptive radiation

A

a single species evolves into many new species

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14
Q

ecology

A

study of how things interact with the enviroment

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15
Q

niche

A

role of a species in a ecosystem

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16
Q

competitive exclusion princible

A

two species cannot occupy the same niche for long

17
Q

trophic levels

A

the feeding positions in a food chain or web

18
Q

consumers

A

herbivores, carnivores, omnivores, decomposers, scavengers, detritivores, seprotrophs

19
Q

carbon cycle

A

carbon moves from one resovour to another

20
Q

community

A

all bionic parts of an ecosystem

21
Q

ecological succession

A

how population change through time

22
Q

demographics

A

study of populations and how they grow

23
Q

sporophytes

A

seeds and pollen

24
Q

vascular plants

A

plants on land

25
Q

plant tissue

A

dermal - outer layer
ground - internal plant
vascular - runs through ground tissue

Biology (11 decks)

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