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General Science Flashcards

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Biology 101 flashcards
1
Q

refers to random motion of particles suspended in a liquid or gas– caused by collisions with molecules of the surrounding medium.

A

Brownian motion

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2
Q

unusually cold temperatures in the ocean waters of the Equatorial Pacific.

A

La Nina

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3
Q

the earth’s surface directly above the focus

A

Epicenter

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4
Q

a large mass of water displaced by earthquakes

A

Tidal Wave

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5
Q

used to detect and record earthquakes

A

Seismograph

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6
Q

measured in terms of its effects on man: Mercalli scale/Rossi Forrel scale

A

Intensity

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7
Q

living factors e.g. plant, animals

A

Biotic Factors

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8
Q

nonliving factors e.g. temperature, sun, air

A

Abiotic Factors

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9
Q

Primary sources of energy. Organisms that make their own food. (Autotrophs)

A

Producers

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10
Q

ability of liquid to rise through tubes.

A

Capillarity

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11
Q

the ability of metals to be drawn into wires.

A

Ductility

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12
Q

ability of matter to spread quickly; movement of substance from an area of higher concentration to an area of lower concentration.

A

Diffusion

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13
Q

attraction between UNLIKE molecules.

A

Adhesion

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14
Q

attraction between LIKE molecules.

A

Cohesion

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15
Q

temperature at which condensation of water occurs.

A

Dew Point

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16
Q

unusually warm air water in the Pacific Ocean.

A

El Nino

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17
Q

Alfred Wegener (1915) Pangaea, the supercontinent, broke into 7 continents.

A

Continental Drift Theory

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18
Q

The lithosphere is divided into 6 major plates.

A

Plate Tectonic Theory

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19
Q

The study of earthquakes.

A

Seismology

20
Q

place where earthquakes begin.

A

Focus

21
Q

feeds on other organisms in order to survive. (Heterotrophs)

A

Consumers

22
Q

Primary Consumers

A

Herbivores

23
Q

Secondary Consumers

A

Carnivores

24
Q

Tertiary Consumers

A

Omnivores

25
Q

Animals that feed predominantly on dead plants and animals

A

Scavengers

26
Q

Hasten the decay of/and decomposition of animal matter.

A

Decomposers

27
Q

Overlapping food chains

A

Food Web

28
Q

The transfer of the sun’s energy from producers to consumers as organisms feed on one another is called:

A

Food Chain

29
Q

“fixed” form of nitrogen

A

nitrate ions (NO3-), ammonium ions (NH4+), urea ((NH2)2CO)

30
Q

ATP (adenosine triphosphate)

A

major energy provider of the cell.

31
Q

breaks apart nitrogen molecule (N2)

A

Nitrogen Fixation

32
Q

breaks apart nitrogen molecule by microbes; requires ATP.

A

Biological Fixation

33
Q

breaks apart nitrogen molecule by lightning; dissolves in rain, forming nitrates.

A

Atmospheric Fixation

34
Q

products: ammonia (NH3) and urea ((NH2)2CO) and ammonium nitrate (NH4NH3)

A

Industrial Fixation

35
Q

intimate or close association of two organisms of different species

A

Symbiosis

36
Q

both organisms benefit

A

Mutualism

37
Q

one member benefits while the other is not affected (commensal-host)

A

Commensalism

38
Q

one member benefits while the other is harmed (parasite-host)

A

Parasitism

39
Q

relationship where one organism attacks, kills and feed on another.

A

Predation

40
Q

two or more organism compete or struggle with one another for limited food, water, etc.

A

Competition

41
Q

competition between different species

A

Interspecific competition

42
Q

competition between the same species

A

Intraspecific Competition

43
Q

behavioral adaptation exhibited by the members of a group e.g. ants, bees.

A

Cooperation

44
Q

Density

A

Mass / Volume

45
Q

Pressure

A

Force / Area

Science (3 decks)

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