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Biology > Unit 1 > Flashcards

Unit 1 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What is the dependent variable?

A

The thing that you dont change in your experiment

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2
Q

What is Biology?

A

The study of al living things

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3
Q

What are organisms?

A

Living things

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4
Q

What is cytoplasm?

A

A gel like material that all cells contain

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5
Q

What are organelles?

A

A part of the cell that does different jobs

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6
Q

What are prokaryotic cells?

A

They are single celled organisms that lack a nucleus and membrane-bound organelles

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7
Q

What are eukaryotes?

A

Has a true nucleus and membrane-bound organelles

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8
Q

What is DNA?

A

DNA carries the genetic code for all organisms

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9
Q

What is an indepent variable?

A

The thing that you change in your experiment

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10
Q

What is a Biotic factor?

A

All the living organisms that inhabit an enviorment

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11
Q

What are Abiotic factors?

A

The nonliving parts of an organisms enviorment

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12
Q

What is a habitat?

A

The place a plant or animal lives

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13
Q

What is a Niche?

A

An organism’s total way of life

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14
Q

What is population?

A

A group of organisms that are all of the same speices, which interbreed and live in the same place at the same time

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15
Q

What is a community?

A

All the populations of different speices that live in the same place at the same time

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16
Q

What is an ecosystem?

A

Populations of plants and animals that interact with each other in a given area with the abiotic componets of that area

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17
Q

What is the biosphere?

A

The portion of earth that supports life

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18
Q

What is a herbivore?

A

Only eats plants

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19
Q

What is an omnivore?

A

Eats both plants and meat

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20
Q

What is a carnivore?

A

Only eats meat

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21
Q

What is symbosis?

A

An interaction between two different organisms living in close association.

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22
Q

What is mutualism?

A

Beneficial to both organsims involved

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23
Q

What is commensalism?

A

The association between two organisms in which one benefits and one is neither helped not harmed.

24
Q

What is parasitism?

A

One orgainsim benfits and one is harmed

25
Q

What are producers?

A

Producers are plants that make their own food.

26
Q

What is ecology?

A

The relations of organisms to one another and their surroundings.

27
Q

What’s a consumer?

A

Animals that can’t make their own food so they need to comsume other plants and/or animals.

28
Q

What is biodiversity?

A

The variety of life in the world or in a particular habitat or ecosystem.

29
Q

What is a decomposer?

A

An organism, especially a soil bacterium, fungus, or invertbrate, that decomposes organic material.

30
Q

What is a food web?

A

A system of interlocking and interdependent food chains.

31
Q

What is a food chain?

A

A series of organisms each dependent on the next as a source of food.

32
Q

What is an energy pyramid?

A

Its a model of energy flow in a community. The different levels represent different groups.

33
Q

What are limiting factors?

A

Something that doesn’t let the population grow any farther

34
Q

What is primary succession?

A

Where an area of vegetation and other organisms are lacking soil

35
Q

What is secondary succession?

A

When the soil was good and then it and the land gets damaged

36
Q

What is a theory?

A

What someone thinks is going to happen

37
Q

What is a hypothesis?

A

An assumption or guess of what will happen

38
Q

What is a prediction?

A

Declare or tell in advance

39
Q

What is the scientific method?

A

A six step procedure for performing scientific investigation

40
Q

What is a control group?

A

A group of organisms that are treated the same way for an experiment

41
Q

What is an experimental group?

A

A group of organisms that receive the experimental treatment

42
Q

What is an observation?

A

To analyze something

43
Q

What is a cell?

A

The structural, functional, and biological unit of all organisms

44
Q

What is a tissue?

A

An aggregate of cells in an organism that have similar structure and function

45
Q

What is an organ?

A

A group of tissues that perform a specific function or group of functions

46
Q

What is an experiment?

A

A procedure done for the purpose of gathering observations, data, or facts

47
Q

What is development?

A

A series of changes in an organism

48
Q

What is organization?

A

The act of arranging in a systematic way for use or action

49
Q

What does multicellular mean?

A

Having or consisting of many cells

50
Q

What does unicellular mean?

A

Having or consisting of only one cell

51
Q

What does metabolism mean?

A

The process involving a set of chemical reactions that modifies a molecule into another for storage, or for immediate use in another reaction or as a by product

52
Q

What is homeostasis?

A

The ability of the body or a cell to seek and maintain a condition of stability within its internal environment when dealing with external changes

53
Q

What is evolution?

A

The change in genetic composition of a population over successive generations, which may be caused by natural selection, inbreeding, hybridization, or mutation.

54
Q

What is adaption?

A

A modification according to changing circumstances

55
Q

What’s natural selection?

A

When organisms are adapted to their environment and go through things normally in the environment

56
Q

What is reproduction?

A

The production of offspring

Biology (4 decks)

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