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Biology 1107 > Chapter 1 > Flashcards

Chapter 1 Flashcards

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1
Q

Inductive Reasoning

A

draws conclusions through logical process of induction

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2
Q

Independent Variables

A

cause the change

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3
Q

Dependent Variables

A

the outcome

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4
Q

A hypothesis must be

A

testable and falsifiable

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5
Q

Controlled Experiment

A

experimental group compared with control group; ideally control groups only differ by one factor

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6
Q

Model Organisms

A

organisms fit to use for studying a specific trait, such as a lab rat

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7
Q

Evolution

A
  • whole population change in phenotype over time.
  • core theme of biology and the one idea that makes logical sense of what we know about all living organisms
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8
Q

Five Unifying Themes of Biology

A
  • organization
  • Information
  • Energy & Matter
  • Interactions
  • Evolution
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9
Q

Emergent Properties

A

starting with smallest parts and going to the big picture

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10
Q

Reductionism

A

seeing the whole as a function of all parts

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11
Q

Cell Theory

A

All living things are composed of cells

Cells are the basic units of structure and function in living things

cell come from preexisting cells

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12
Q

Cell

A

Lowest level of organization that can perform all activates required for life

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13
Q

Eukaryotic Cell

A
  • DNA throughout nucleus
  • Nucleus enclosed in membrane
  • Membrane has enclosed organelles
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14
Q

All cells have?

A

cell membrane

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15
Q

Prokaryotic Cell

A
  • smaller
  • DNA - no nucleus
  • Membrane
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16
Q

Positive Feedback

A

system responds to stimulus in same direction as stimulus.
- Baby growth in utero

17
Q

Negative Feedback

A

system responds to stimulus in opposite direction.
- sweat stops overheating through cooling

18
Q

Domains

A

Largest categories for living things
- Eukarya, Archea, Bacteria

19
Q

Eukarya

A
  • Kingdoms: animalia, plantae, fungi, protista
20
Q

Archea

A
  • prokaryotes: ancient, extremophiles
21
Q

Bacteria

A

Prokaryotes

22
Q

Natural Selection

A

primary cause of descent with modification

23
Q

Adaptive Radiation

A

organisms descend from a common ancestor, but adapted to different environments

Biology 1107 (6 decks)

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