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Biology > Unit 1 > Flashcards

Unit 1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Atom

A

The smallest particle in an element that contains the proprieties of that element

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2
Q

Molecule

A

A substancecomposed of atoms covalently bonded to each other

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3
Q

Macromolecule

A

A large complex molecule

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4
Q

Organelle

A

A specialized structure that preforms important cellular functions within a eukaryotic cell

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5
Q

Cell

A

The basic unit of life

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6
Q

Tissue

A

A group of cells working together to preform a similar function

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7
Q

Organ

A

A group of tissues that work together to preform closely related funtions

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8
Q

Organ System

A

A group of organs that work together to preform a single function

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9
Q

Organism

A

An individual of a species; a single living thing

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10
Q

Population

A

A group of individuals of the same species that live in a defined area

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11
Q

Community

A

A group of population that live in a defined area

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12
Q

Ecosystem

A

A collection of all organisms that live in a defined area

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13
Q

Biosphere

A

The part of earth that contains life; everything

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14
Q

1st Step of the scientific process

A

Make observation… identify a problem

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15
Q

2nd Step of the scientific process

A

Form a hypothesis

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16
Q

3rd Step of the scientific proscess

A

Figure out how to test the hypothesis

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17
Q

4th Step of the scientfic process

A

Gather information/data as you test

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18
Q

5th Step of the scientific proscess

A

Organism your data and anaylize it

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19
Q

6th step of the scientofic process

A

Draw conclusion

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20
Q

What should not be in a lab write up

A

any pronouns

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21
Q

Indepentdant Variable

A

-the thing you can minipulate -the casue

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22
Q

Dependant Variable

A

-This changes as the idependant variable changes -the effect -The element that you will measure/observe in your experiement

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23
Q

Control

A

a trial run in the experiment that illustrastes “normal” conditions when the indepentant variable is not manipulated

24
Q

Constants

A

Factors in the experiment that does not change from trial to trail

25
Q

All data mechanisms must have what 2 things

A

titles and untits

26
Q

Qualitative Data

A

-descriptions in words -based on observation such as color, odor, or texture

27
Q

Quantitive Data

A

-numeric measurements -Data is objective -mass, volume, temperature, disance, concentration, time, or frequency

28
Q

Levels of organization in order

A

Atom, molecule, macromolecule, organelle, cells, tissue, organ, organ system, organism, population, community, ecosystem, biosphere

29
Q

Objective

A

unbiased, not influenced by feelings, intrest, and prejudices

30
Q

Subjective

A

biased, influenced by feelings intrest prejudices

31
Q

What can influnece results (biases)

A

race, gender, politics, religon, nationaity, economic intrest

32
Q

What is a bias

A

A predjudiced presentaion of material; a constant error in estamating a value

33
Q

What are the 6 characteristics of ife

A

Reproduction, Growth/Development, Metabolism (use energy), maintain homostasis, Made up of cells, Respond to stimuli,

34
Q

Reproduction

A

asexual or sexual, pass on DNA or RNA

35
Q

Growth/Development

A

directed by DNA, stages of life

36
Q

Homostasis

A

maintain s stable internal enviroment

37
Q

Energy

A

Need it for metabolism

38
Q

Respond to Stimuli

A

like moving hand if yuo touch something hot

39
Q

Biodiversity

A

variety of life; increases from poles to equatior

40
Q

Ocular or Eyepiece

A

Part of the microscope that you look through

41
Q

Nosepiece

A

rotates to change objective

42
Q

Stage

A

where specimen is placed for observation

43
Q

Stage clips

A

hold slides in place

44
Q

Diaphragm

A

controls the amount of light entering the fiel dof view

45
Q

Coarse Adjustment Knob

A

used for focusing under low power

46
Q

Fine Adjustment Knob

A

usdd for adjusting under high power

47
Q

How to find total magnification

A

ocular X objective

48
Q

Field of View

A

circular area you observe when looking into a microscope

49
Q

What happens to the field of view as magnification increases?

A

It shrinks and you see more details

50
Q

Reverse-Image

A

When observing specimens under a microscope the image you observe is a reversed image of how it looks on the slide

51
Q

Resolution

A

the ability of a microscope is the ability to clearly determine the two seperate points or objects as singular distinguishing entities

52
Q

Depth of Field

A

the tickness of the plane of focus

53
Q

Large depth of field =

A

larger area focused

54
Q

Small depth of field=

A

only part can be focused

55
Q

Unit Conversions

A

Biology (2 decks)

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