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BiSci > BiSci Chapter 1- January 28th > Flashcards

BiSci Chapter 1- January 28th Flashcards

1
Q

Biology

A

is the study of living organisms and their environments.

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2
Q

Organisms

A

share common characteristics

  • organized
  • acquire materials and energy
  • homeostatic
  • respond to stimuli
  • reproduce and grow
  • have an evolutionary history
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3
Q

Atoms

A

join together to form molecules

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4
Q

Molecules

A

make up a cell

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5
Q

Cell

A

is the smallest structural and functional unit of an organism.

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6
Q

Tissue

A

is a small group of similar cells that perform a particular function.

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7
Q

Organ

A

made up several types of tissues

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8
Q

Organ System

A

each organ belongs to this

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9
Q

Species

A

a group of interbreeding organisms

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10
Q

Population

A

all the members of one species in a particular area belong to this

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11
Q

Community

A

interacting populations of the grasslands make up this

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12
Q

Ecosystem

A

the community of populations interacts with the physical environment to form this

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13
Q

Biosphere

A

all the Earth`s ecosystems make up this

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14
Q

Levels of Biological Organization

A 
atom
molecule
cell
tissue
organ
organ system
organism
population
community
ecosystem
biosphere
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15
Q

Metabolism

A

describes all of the chemical reactions that occur within a cell

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16
Q

Photosynthesis

A

produces organic molecules, such as sugars, that serve as the basis of the food chain for many other organisms, including humans and all other animals.

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17
Q

Homeostasis

A

the ability of a cell or an organism to maintain an internal environment that operates under specific conditions.

18
Q

Reproduce

A

pass down their genetic info to the next generation

19
Q

Growth

A

recognized by an increase in size and often the number of cells

20
Q

Development

A

indicates all the changes that occur from the time the egg is fertilized until death in humans

21
Q

Genes

A

the info in the DNA

22
Q

Mutations

A

may cause minor variations in genes

23
Q

Evolution

A

is the process by which a population changes over time

24
Q

Adaptation

A

each successive generation will include more members with the new variation

25
Q

Vertebrates

A

are animals that have a nerve cord protected by a vertebral column

26
Q

Culture

A

encompasses human activities and products passed on fro one generation to the next outside of direct biological inheritance

27
Q

Biodiversity

A

the number of different species present in a given area

28
Q

Science

A

is the study of the material universe or physical reality in order to understand it

29
Q

Scientific Theories

A

are concepts that tell us about the order and the patterns within the natural world (how the natural world is organized).

concepts supported by a broad range of observations, experiments, and data

30
Q

The Principle of Evolution

A

the theory of evolution has been supported by so many observations and experiments for over a hundred years that it is referred to this term

31
Q

The Scientific Method

A
  • observation
  • hypothesis
  • experiment/observations
  • conclusion
32
Q

Control Group

A

given the placebo

33
Q

Test Group

A

given the real meds for experimentation

34
Q

Technology

A

is the application of scientific knowledge to the interests of humans

35
Q

Organ Systems Maintain Homeostasis

A

maintaining a stable internal environment even when the external environment changes

36
Q

Zygote

A

fertilized egg

37
Q

Evolution

A

change

38
Q

Biosphere

A

zone of air, land, and water at the surface of the Earth in which living organisms are found.

39
Q

Cell Theory

A

all organisms are composed of cells

40
Q

Gene Theory

A

organisms contain coded info that determines their form, function, and behavior

41
Q

Evolution Theory

A

all living things have a common ancestor but each is adapted to a particular way of life

BiSci (19 decks)

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