Lecture 1 Flashcards

Exam

1
Q

What is abiotic ?

A

non-living

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2
Q

What is Biotic?

A

living

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3
Q

Scientific method

A

O, Q H, P, E ,R

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4
Q

A hypothesis has to have:

A

Relevance, testability, and be falsifiable

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5
Q

A strong research study has to have :

A

large sample size, random sample, isolated/single, control variable no resrach bias.

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6
Q

Structure and function

A

A structure determines function

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7
Q

Information flow

A

Information is stored, received, transmitted, used

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8
Q

Transcription

A

DNA–> RNA

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9
Q

Translation

A

RNA–> PROTEIN

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10
Q

Dna

A

info storage

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11
Q

Rna

A

info transfer

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12
Q

Energy transformation

A

Always linear, comes from sun, not created or destroyed but converted.

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13
Q

Matter transformation

A

C02–> Sugars (plants) {think circle}

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14
Q

Evolution

A

population change over time to adapt to environment

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15
Q

Adaptation

A

Driven by natural selection , survival of the fittest

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16
Q

What is a science

A

study of all things living/non-living natural - via scientific method

17
Q

Developing an experiment

A

Sample , isolated, control , researcher bias, organisms

18
Q

Sample

A

Should represent subset of population
-choose at random
-big is better

19
Q

Experimental variable

A

an independent variable that is manipulated to determine impact of dependent variable

20
Q

Controls

A

Test: unknown
Known ( positive control) meaning something wee will know to work
Placebo: known to have no effect ( negative control)

21
Q

Research Bias

A

When scientist beliefs/goals can influence the study

22
Q

Confounds

A

alternative explanations

23
Q

Model systems : considerations

A

cost to maintain/ house, easy to manipulate

24
Q

Diversity ( evo)

A

Different types of organisms

25
Q

Unity (evo)

A

structure and function