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Bio ch. 1 > Bio ch. 1 > Flashcards

Bio ch. 1 Flashcards

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Biology 101 flashcards
1
Q

Biology

A

the study of living things

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2
Q

organism

A

any living thing

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3
Q

10 characteristics that all living things share

A

organization, reproduction, heredity, growth + development, metabolism, respond to the environment, homeostasis, interdependence, evolution, excretion

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4
Q

organization

A

all living things are made up of cells

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5
Q

cell

A

basic unit of life

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6
Q

organization of life from the smallest to biggest

A
  1. atom
  2. molecule
  3. cell
  4. tissue
  5. organ
  6. organ system
  7. organism
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7
Q

reproduction

A

organisms make more of themselves

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8
Q

Asexual reproduction

A

DNA from one organism (1 parent)

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9
Q

Sexual reproduction

A

DNA from 2 organisms (2 parents)

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10
Q

What kinds of reproduction do humans undergo?

A

Asexual & Sexual reproduction

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11
Q

Heredity

A

the passing of traits to offspring

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12
Q

gene

A

basic unit of heredity

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13
Q

DNA

A

carries the instructions

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14
Q

Mutation

A

a change in DNA (hereditary vs. Sporadic)

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15
Q

examples of genetic mutations

A

green eyes, red hair, and cancer

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16
Q

growth and development

A

to get bigger

17
Q

(growth and development )
unicellular examples

A

bacteria and ameba

18
Q

(growth and development)
multicellular examples

A

humans

19
Q

metabloism

A

obtaining and using energy from the sun

20
Q

how does metabolism work

A

with a combination of chemical reactions to carry out life’s processes

21
Q

stimulus

A

signal in which an organism responds

22
Q

response to environment example

A

ex. bright light will make you squint, cold weather will make you shiver

23
Q

(Respond the the environment)
phototropism

A

plants bend toward the sun

24
Q

homeostasis

A

maintaining a stable internal environment while the outside changes

25
Q

homeostasis ex:
temperature and water content …

A

will be maintained through internal stimuli

26
Q

interdependence

A

how organisms live and interact with each other and their environment

27
Q

ecology

A

the study of interdependence

28
Q

evolution

A

change of a species over time

29
Q

natural selection

A

“survival of the fittest”

30
Q

excretion

A

removal of wastes

31
Q

no living things can have …

A

characteristics of living things

Bio ch. 1 (4 decks)

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