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Biology 30 > Biology Introduction > Flashcards

Biology Introduction Flashcards

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1
Q

Biology

A

The study of life

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2
Q

Organisms

A

a living thing

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3
Q

Biotic factors

A

living factors

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4
Q

Abiotic factors

A

non-living factors

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5
Q

Biosphere

A

the parts of the earth that sustain life, Includes water, land, and air in which organisms live

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6
Q

Organisms respond to environmental change by

A

adapting, fleeing, or dying

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7
Q

Species

A

A group of organisms that can interbreed due to similarity.

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8
Q

Direct food source

A

the tissue of the organism

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9
Q

Indirect food source

A

Product of the organism; honey, milk

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10
Q

Biotechnology

A

use of organisms to produce things people need; (farming, food processing, etc)

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11
Q

Molecular

A

Consists of Molecules

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12
Q

Cellular

A

The smallest unit of life capable of carrying out all the functions of living things

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13
Q

Tissue

A

A group of cells organized to perform a particular function

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14
Q

Organs

A

A group of several different types of tissues that function together for a specific purpose

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15
Q

Organ system

A

A group of several different types of organs that function together for a specific purpose

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16
Q

Population

A

group of organisms of the same species in a particular area

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17
Q

Community

A

different species in the same location

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18
Q

Ecosystem

A

Organisms and abiotic factors in an environment

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19
Q

Science

A

a body of knowledge based on the study of a natural world

20
Q

theory

A

an explanation of a natural phenomenon supported by many observations and experiments over time

21
Q

Scientific law

A

describe relationships under certain conditions in nature

22
Q

hypothesis

A

A possible exploration of an event or set of events, a testable explanation of a situation

23
Q

Paradigm

A

A way of knowing/doing

24
Q

Experiment

A

Investigating a phenomenon in a controlled setting to test a hypothesis

25
Q

Control group

A

An experiment used for comparison (think, this is what it normally is); experiments normally compare to normal situations. The variable is not included

26
Q

Experimental group

A

the group exposed to the factor being tested

27
Q

Variable

A

A factor that can influence the outcome of an experiment (what are they adding to what would be a normal situation)

28
Q

Constant

A

A factor that remains fixed during an experiment

29
Q

Data

A

Information gained from observations

30
Q

Quantitive data

A

Data in a numerical value

31
Q

Qualitative data

A

Data based on our senses

32
Q

Metric system

A

Units with divisions that are powers of ten

33
Q

SI

A

The international system of Units

34
Q

Microscope

A

An instrument using lenses that produces an enlarged, focused image of a specimen

35
Q

Field studies

A

Experiments that happen in natural surroundings

36
Q

Lab studies

A

Experiments that take place in controlled locations

37
Q

Centrifuge

A

a machine with a rapidly rotating container that applies centrifugal force to its contents, typically to separate fluids of different densities

38
Q

Electrophoresis

A

the movement of charged particles in a fluid or gel under the influence of an electric field.

39
Q

Chromatography

A

the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates.

40
Q

Tissue culture

A

the growth in an artificial medium of cells derived from living tissue.

41
Q

Magnification

A

enlarges the image of an organism

42
Q

Resolution

A

ability to differentiate two points as distinct from one another

43
Q

Contrast

A

to show difference

44
Q

Unicellular

A

having or consisting of a single cell

45
Q

Multicellular

A

having or consisting of many cells

Biology 30 (6 decks)

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