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BIO 101 > LEC 8/25 INTRO > Flashcards

LEC 8/25 INTRO Flashcards

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1
Q

What % of species is known and unknown

A

5% of species is known and 95% of species is unknown

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2
Q

What is science 2 limits

A
  1. only study natural world, perceived by our sense or using instruments
  2. it can ONLY look for NATURAL explanations
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3
Q

science or not: Limited to the natural world?

A

Science: natural phenomena w/ natural causes

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4
Q

SorN: Observable

A

Science: based on events perceived by our senses

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5
Q

SorN: Testable

A

Science: ideas must be able to generate expectations

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6
Q

SorN: Measurable

A

Science: quantifiable

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7
Q

SorN: Repeatable

A

Science: by different people w/ similar results

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8
Q

SorN: modifiable

A

S: not fixed for all time, not based on dogma

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9
Q

SorN: open to change

A

S: new evidence can modify or replace concepts

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10
Q

SorN: strong theories inferred from solid evidence

A

S: not just a list of facts but explanations of observations

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11
Q

SorN: made stronger by difft lines of evidence

A

S: independent unrelated fields of study point to same explanations

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12
Q

SorN: a search for understanding

A

S: how the universe works why it is that way it is?

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13
Q

SorN: proves or disproves ideas

A

N: science accepts or rejects ideas

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14
Q

SorN: based on belief of faith

A

N: based on objective evidence

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15
Q

SorN: based on authority

A

N: experts can be in error

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16
Q

SorN: a search for truth

A

N: truth can mean difft things to difft people

17
Q

SorN: fair

A

N: whatever is, is

18
Q

SorN: Democratic

A

N: there is no voting in science, not based on popularity but evidence

19
Q

SorN: able to solve all problems

A

N: limited to the natural world

20
Q

SorN: a collection of facts

A

N: not just facts but also theories

21
Q

all living organisms share a set of common characteristics..

A

are composed of one or more cells

22
Q

prokaryotes

A

smaller, simpler, most do not have membrane-enclosed organelles are bacteria and archaea

23
Q

Eukaryotes

A

larger, more complex, membrane-enclosed organelles are: protists, plants, fungi, animals

24
Q

organism

A

an individual living thing

25
Q

organ

A

composed of several difft types of tissue and specialized for a particular fxn

26
Q

tissue

A

group of cells w/ common structure and fxn

27
Q

cell

A

the smallest unit of living matter, fxn independently, enclosed in a semi-permeable membrane

28
Q

molecule

A

two or more atoms chemically bonded together

29
Q

atom

A

the smallest COMPONENT of an element that maintains the elements chemical properties

30
Q

characteristics of living organism 1

A

obtain energy from their environment to support metabolism

31
Q

characteristics of living organism 2

A

maintain homeostasis

32
Q

characteristics of living organism 3

A

reproduce using DNA

33
Q

genome

A

organisms complete set of DNA, nucleus

34
Q

Chromosome

A

one or more unique pieces of DNA

35
Q

gene

A

a specific sequence of DNA, info necessary to produce all or part of a protein

36
Q

characteristics of living organism 4

A

are capable of evolving as a group

BIO 101 (9 decks)

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