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Everything Flashcards

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Biology 101 flashcards
1
Q

Model

A

A representation that can help make predictions.

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2
Q

Particle Theory of Matter

A

States that all matter is made up of vibrating particles.

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3
Q

Particle

A

Small Piece of Matter.

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4
Q

Density

A

Measurement of mass per volume.

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5
Q

Expansion

A

Increase distance between particles.

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6
Q

Contraction

A

Decrease distance between particles.

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7
Q

Heat

A

Hot energy.

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8
Q

Temperature

A

How hot or cold thing is.

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9
Q

Inference

A

An education assumption.

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10
Q

Melting

A

A process when something goes from a solid form to a liquid form.

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11
Q

Solidification

A

A process when something goes from a liquid form to a solid form.

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12
Q

Evaporation

A

A change in state from liquid to gas.

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13
Q

Condensation.

A

Gas to liquid or liquid to solid

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14
Q

Sublimation.

A

Change of state from solid to gas.

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15
Q

Pressure

A

The number of collisions between particles and the walls of the container.

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16
Q

Physical Change

A

A change of state or form.

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17
Q

Buoyancy

A

Upwards pressure exerted by a fluid that opposes the weight of an opposed object, making it float.

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18
Q

Units

A

A standard use for measuring a physical quantity.

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19
Q

Mass

A

Amount of matter in an object

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20
Q

Volume.

A

The quantity of space occupied by a liquid, solid or gas.

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21
Q

Assimilation

A

A process carried out by living things where nutrients are digested, absorbed and incorporated in the body.

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22
Q

Organelle

A

A specialised structure within a cell that carries out a specific function.

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23
Q

Nucleus

A

Organelle that contains a cells genetic material.

24
Q

Cytoplasm

A

The contents of the cell except for the nucleus.

25
Q

Cytosol.

A

The fluid within a cell that fills the space between organelles.

26
Q

Cell Membrane

A

A thin flexible layer around a cell which controls what enters and exits the cell.

27
Q

Cell Wall

A

A tough, outer layer around the cells of plants, fungi and bacteria, which provides support and structure.

28
Q

Vacuole

A

A storage area within the cell often containing water, poo and food.

29
Q

Chloroplast

A

An organelle in plants which contains chlorophyll, a pigment which traps light energy and gives plants their green colour.

30
Q

Mitochondria

A

Organelle that provides energy to the cell via respiration

31
Q

Ribosome

A

A small organelle which is responsible for the manufacture of proteins.

32
Q

Microscope

A

An instrument used to magnify objects.

33
Q

Magnification

A

A measure of the degree to which the microscope enlarges an object.

34
Q

Resolution

A

A measure of the ability of a microscope to distinguish between two very close together.

35
Q

Unicellular

A

One cell living thing.

36
Q

Multicellular

A

Composed of more than one cell.

37
Q

Binary Fission

A

A method of reproduction used by unicellular beings.

38
Q

Spontaneous Generation

A

The theory that life was made spontaneously from non living matter.

39
Q

Specialisation

A

The structural adaption of cells for a particular function.

40
Q

Cell

A

The basic unit of living things.

41
Q

Tissue

A

A group of similar cells which perform functions.

42
Q

Organ

A

A group of tissues that perform a specific function.

43
Q

Organ System

A

A group of organs which together carry out a specific function.

44
Q

Diffusion

A

The movement of a substance from an area of high concentration to low concentration.

45
Q

Respiration

A

The process occurring within the cells where oxygen reacts with glucose to produce carbon dioxide, water and energy.

46
Q

Photosynthesis

A

The process where a plant makes light into food.

47
Q

Chlorophyll

A

A green pigment found in chloroplasts that are required for photosynthesis.

48
Q

Xylem

A

The vessels in plants responsible for transporting water.

49
Q

Stomata

A

Pores in the leaf surface which allow the passage of gases and water.

50
Q

Transpiration

A

The process by which water evaporates from the leaf surface via stomata.

51
Q

Taxonomy

A

The classification of organisms into groups of similarity.

52
Q

Binomial Nomenclature

A

A two-part name for organisms by Linnaeus

53
Q

Kingdom

A

The highest classification for an organism.

54
Q

Genus

A

The first word in the classification. The Gorilla in

Gorilla Gorilla.

55
Q

Species

A

The second word. The Gorilla in Gorilla Gorilla.

56
Q

Bacteria

A

A group of unicellular organisms.

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