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Test one Flashcards

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Biology 101 flashcards
1
Q

What is the first characteristic of life

A

Is it made of cells

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2
Q

What is the second characteristic of life?

A

Does it display internal organization?

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3
Q

What is the third characteristic of life?

A

Does it maintain homeostasis?

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4
Q

What is the fourth characteristic of life?

A

Does it adapt overtime?

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5
Q

What is the fifth characteristic of life?

A

Does it require chemical energy?

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6
Q

What is the sixth characteristic of life?

A

Does it respond to the environment?

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7
Q

Biosphere

A

All living things on earth

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8
Q

What is the eighth characteristic of life?

A

Does it grow and develop?

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9
Q

What is the seventh characteristic of life?

A

Does it reproduce?

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10
Q

Biodiversity

A

Variety of life

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11
Q

What are cells

A

Basic units of life

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12
Q

What is an example of something maintaining homeostasis?

A

A thermostat

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12
Q

Where does a virus get energy?

A

The host cell

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13
Q

What is an example of something displaying internal organization

A

A system

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14
Q

What did hook call the squares/chambers the observed in the cork

A

cells

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15
Q

Who invented the compound microscope,

A

Zacharias Jasen and his father Hans

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16
Q

Who is considered the father of microscopy?

A

Anthony van Leeuwenhoek

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17
Q

Why is he considered the father of microscopy?

A

He improved the microscope and saw things no one had seen before

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18
Q

How does a microscope work?

A

Two lenses are used to magnify something

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19
Q

What position should the stage be in before storing a microscope

A

Lowest position

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20
Q

When storing a microscope which objective should be in place

A

Low power lens

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21
Q

How should you bring a specimen into the low power objective?

A

Term the course adjustment

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22
Q

Once this specimen is in focus with the objective, how should you bring it into focus with the 40 X?

A

Make sure it is in the center of the field of view and then use only the adjustment knob

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23
Q

Never use what adjustment knob with the high power objectives

A

Course

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24
Q

Why would you use a dye with a wet mount slide?

A

To increase contrast

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24
Q

Explain why the specimen must be centered in the field of you on low power before going to high power

A

You might not see it when zooming in more

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24
Q

If an eyepiece had a magnification of 10 X and the 40 X object lens is being used what is the total magnification?

A

400 X

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25
Q

What is one practical use for the eye piece pointer?

A

Points at a specific piece of the specimen

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26
Q

How is a wet mount slide prepared?

A

Made by placing water on a slide, suspending a specimen in the solution, and then covering the specimen with a cover slip

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27
Q

What is the first label on the microscope?

A

Body tube

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28
Q

What is the second label on the microscope?

A

Nose piece

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29
Q

What is the third label on the microscope

A

4x

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30
Q

Fourth label on the microscope

A

10x

31
Q

5th Label on the microscope

A

40x

32
Q

Six label on the microscope

A

Slide clip

33
Q

Seventh lab label on the microscope

A

Diaphragm

33
Q

Eighth label

A

Light source

34
Q

Ninth label

A

Eye piece

35
Q

10th label

A

Arm

36
Q

11th label

A

Stage

37
Q

12th label

A

Course focus

38
Q

13th label

A

Fine focus

39
Q

14th label

A

Base

40
Q

The part you look through

A

Eye piece

41
Q

Low power, objective lens magnifies object

A

10x

41
Q

High power, objective lens magnifies object

A

40 X

42
Q

Large knob used only on low power

A

Course adjustment

43
Q

Small nob used only on high power

A

Fine adjustment

44
Q

Controls amount of light

A

Diaphragm

44
Q

Rotates holds objects

A

Nose piece

44
Q

What is the purpose of a microscope?

A

To magnify smaller objects and discover the build of everything around us

45
Q

What is the first step in the scientific method?

A

Make an observation

46
Q

What is the 2nd step of the scientific method?

A

Ask a question

47
Q

What is the third step of the scientific method?

A

For my hypothesis

48
Q

What is the fourth step of the scientific method?

A

Make a prediction

48
Q

What does the conclusion have to relate to?

A

The hypothesis

49
Q

To test a hypothesis, you have to have a

A

Controlled experiment

50
Q

What is the last step of the scientific method?

A

Test prediction

50
Q

Observation

A

The act of noticing and describing events or process

51
Q

When forming a hypothesis? What three words should you use?

A

If then, because

52
Q

Inference

A

A logical interpretation based on what scientist already know

52
Q

Hypothesis

A

A scientific explanation that can be tested with an experiment

53
Q

Controlled Experiment

A

When only one variable changes

54
Q

Independent variable

A

The variable that changes

55
Q

Control group

A

Exposed to the same conditions as the experimental group, but the independent variable does not change

55
Q

Dependent variable

A

The variable that changes due to the independent variable

56
Q

Data

A

Two main types of information scientist gather

57
Q

Theory

A

A large group of info to better understand how the world works

58
Q

Bias

A

A personal rather than scientific point of view

59
Q

Sexual reproduction

A

Cells from two different parents unite to produce a new cell

60
Q

Biology

A

The study of living things

61
Q

DNA

A

Genetic code that determines the inherited traits of every organism on earth

61
Q

Asexual reproduction

A

The new organism has a single parent

62
Q

Metabolism

A

The combination of chemicals as it carries out its life process

63
Q

Stimulus

A

A signal to an organism respond

64
Q

Homeostasis

A

Relatively constant set of conditions

64
Q

Evolve

A

Any kind of organism can change overtime

65
Q
A
66
Q
A
67
Q
A

Bio (5 decks)

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