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EES 152 Bob Booth > 4.7/8. (9/16-9/18) Temperature & Water Relations > Flashcards

4.7/8. (9/16-9/18) Temperature & Water Relations Flashcards

1
Q

What is supercooling?

A

solutes are produced inside internal fluids to lower freezing temperature

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2
Q

What is glycerol?

A
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3
Q

What is estivation?

A

summer hibernation

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4
Q

Why do animals estiviate?

A

to escape the high temperature or dry season

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5
Q

How does the sooty tern get away with nesting on the open sand?

A

evaporatively cool because they can afford to evaporate their water storage

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6
Q

what is relative humidity?

A

amount of water in the air

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7
Q

Why is relative humidity

A
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8
Q

How do we calculate relative humidity?

A
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9
Q

what is water vapor density

A
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10
Q

what is saturation water vapor density?

A

amount of water you can put in the air

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11
Q
A

temperature dependent

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12
Q

what is pressure?

A
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12
Q

total atmospheric pressure

A

exerted by all gasses

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13
Q

saturation water vapor pressure

A

the pressure exerted if the air was filled with as much water as it could hold

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14
Q

water vapor pressure

A

water vapor partial pressure

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15
Q

vapor pressure deficit

A
16
Q

what is the matric potential of soil?

A
17
Q
A

really clinging to remain water

18
Q

what is the matric potential of very saturated soil?

A
19
Q

what is diffusion?

A

high concentration to low

20
Q

what is osmosis

A

diffusion of water through a semi-permeable membrane

21
Q

what is

A

using energy to move water against concentration

22
Q

what is an isotonic solution?

A

no net water movement between the inside and outside membrane

23
Q

hypertonic

A
  • water concentration is greater inside than outside
  • water leaves the cell causing collapse
24
Q

hypotonic

A

net water movement into the cell
causes rupture

25
Q
A
26
Q

how does the water get into its roots?

A
27
Q
A
27
Q
A
28
Q
A
29
Q

Why does water move into plant roots?

A
30
Q

what do stomate do?

A

generate force like a straw

31
Q
A

sunny and dry

32
Q
A

EES 152 Bob Booth (11 decks)

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