Cells Flashcards

1
Q

a living thing

A

organism

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2
Q

single-celled organism

A

unicellular

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3
Q

organisms made up of many cells

A

multicellular

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4
Q

most abundant chemical

A

water

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5
Q

cells use energy to repair injured parts, growth

A

energy use

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6
Q

a change in surroundings

A

stimulus

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7
Q

reaction to stimulus

A

response

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8
Q

becoming larger and the process of change

A

growth

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9
Q

becoming more complex over time

A

development

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10
Q

idea that living things can arise from nonliving sources

A

spontaneous generation

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11
Q

first person to disapprove, Italian

A

Francesco redi

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12
Q

a french chemist

A

Louis Pastuer

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13
Q

a place to live, get food and water, and find shelter

A

living space

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14
Q

keeps internal conditions just right for cells to function

A

homeostasis

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15
Q

study of how living things are classified

A

taxonomy

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16
Q

devised a system of classifying organisms

A

Carolus linnaeus

17
Q

a unique two word name given to every organism

A

bionomial nomenclature

18
Q

lack a nucleus

A

prokaryotes

19
Q

have a nucleus

A

eurokaryotes

20
Q

most are unicellular, but some are large multicellular organisms

A

protists

21
Q

most are multicellular, heterotrophs

A

fungi

22
Q

multicellular autotrophs that have a cell wall

A

plants

23
Q

multicellular heterotrophs that lack a cell wall

A

animals

24
Q

concluded plants are made of cells

A

Matthias Schielden

25
Q

concluded that all animals are made of cells

A

Theodore Schwann

26
Q

said cells are formed from other cells

A

Rudolf Virchow

27
Q

Cell theory- 3 steps

A
  1. All living things are made of cells
  2. Cells are the basic unit of structure and function in living things
  3. All cells are produced from other cells