intro to bio Flashcards

1
Q

how much skin is shed every 45 days

A

8 pounds

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2
Q

what is body temperature

A

98.6 degrees F

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3
Q

Bio means …

A

life

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4
Q

ology means…

A

study of

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5
Q

how many characteristics to life are there

A

8

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6
Q

what is the first life characteristic

A

cell(s)/ the basic unit capable of carrying out life processes

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7
Q

what is the second life characteristic

A

displays organization

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8
Q

what are cells working together called

A

tissue

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9
Q

what are tissues working together called

A

organ

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10
Q

what are organs working together called

A

organ systems

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11
Q

what are organ systems working together called

A

organism

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12
Q

what is the highest level of organization called

A

organism

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13
Q

what is the third life characteristic

A

reproduction

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14
Q

how many types of reproduction are there? what are they?

A

2 types, sexual (two parents), asexual (one parent)

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15
Q

what is the ability to pass traits to offspring called

A

heredity

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16
Q

what is the fourth life characteristic

A

metabolism

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17
Q

what is metabolism

A

sum of all chemical reactions in the body

18
Q

name 3 examples of metabolism

A

breathing, tanning, burning energy, digesting food, ect

19
Q

what is the fifth life characteristic

A

growth

20
Q

what is mr.coons favorite science word

A

homeostasis: constant internal environment

21
Q

what is the sixth life characteristic

A

homeostasis

22
Q

what is the seventh life characteristic

A

evolution

23
Q

what is evolution

A

a change in genetic traits over time

24
Q

what is natural selection

A

survival of the fittest OR ability to reach a reproductive age and reproduce

25
Q

what is the eighth life characteristic

A

responds to stimuli (environment)

26
Q

how many biological laws are there

A

NONE the highest level of knowledge is a THEORY

27
Q

what is an accepted scientific principal

A

a theory

28
Q

what percentage of the body is human

A

40% are human cells

29
Q

What is the exact template for all experiments?

A

Trick question, there is no exact template [A. Fleming and Penicillin]

30
Q

How is a vivisection different from a normal dissection

A

In a vivisection the person is alive and awake

31
Q

What is the first step in the scientific method?

A

Identify a problem

32
Q

What is the lightest element?

A

Hydrogen 1 proton 1 electron 0 neutrons

33
Q

What is the first step in the scientific process?

A

Identify a problem

34
Q

What is a problem?

A

The who what when where why and how

35
Q

What is the second step in the scientific process

A

Observation

36
Q

A problem must be what?

A

Testable

37
Q

What do you use during an observation

A

Senses and previous knowledge

38
Q

What is the third step in the scientific method

A

Procedure

39
Q

What is a problem

A

A planned process to test a hypothesis

40
Q

What is a control?

A

a baseline to compare with no experimental treatment

41
Q

How much does the experimental group differ from the control?

A

ONLY ONE FACTOR