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Biology 111 > cell biology > Flashcards

cell biology Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Biology

A

the study of life

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2
Q

all organisms consist of

A

cells

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3
Q

subatomic particles

A

protons, neutrons, electrons

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4
Q

atoms

A

smallest part of an element

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5
Q

molecule

A

combination of atoms

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6
Q

organelle

A

structures within a cell that compartmentalize chemical reactions

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7
Q

cell

A

smallest unit of life

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8
Q

tissue

A

two or more cells working together

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9
Q

organ

A

two or more tissues working together

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10
Q

organ system

A

two or more organs working together

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11
Q

organism

A

individual living thing

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12
Q

population

A

members of one species living together

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13
Q

speciests

A

interbreeding organisms

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14
Q

community

A

populations of more than one species living in the same area

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15
Q

ecosystem

A

community and non living enviroment

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16
Q

bisophere

A

living and non living things on Earth

17
Q

Sense and Respond

A

ex: plants growing towards the light

18
Q

Growth and Devlopment

A

grow: becomes bigger over time
development: changes over the lifespan of organism
directed by DNA, influenced by enviroment

19
Q

Reproduce

A

Parents transmit DNA to offspring
Can be reproduced from single cell or entire organism
DNA is copied as part of reproduction

20
Q

Energy processing

A

Acquire and use energy and materials

21
Q

Homeostasis

A

Maintain relatively constant internal envrioment

22
Q

Evolutionary Adaptation

A

evolving to adapt to their enviroment

23
Q

Evolution

A

Wallace and Darwin

all living organisms descend, with modifications, from pre-existing life forms

24
Q

Mechanism for creating new species

A

Individual variations: Genetic variations (mutations)

Natural Selection

25
Q

Natural Selection

A 
selective pressure (by nature) on certain traits 
More likely to survive and reproduce
26
Q

Diversity

A

Due to evolutionary changes

27
Q

Cell Theory

A

all living organisms consist of cells
Smallest unit of life can stand alone
Exhibits all characteristics of life
Matthias Schleidan and Theodor Schwann

Biology 111 (1 decks)

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