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EOC Homeostasis - PowerPoint PPT Presentation


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EOC Homeostasis. Homeostasis. Homeostasis. - maintaining a balance. Low. High. even distribution. high low concentration. even distribution. High concentration. Low concentration. High concentration. Low concentration. Osmosis. Active Transport.

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Presentation Transcript
slide4

Homeostasis

- maintaining a balance

slide6

Low

High

slide9

high low concentration

even distribution

slide11

High

concentration

Low

concentration

slide12

High

concentration

Low

concentration

slide23

Low concentration

High

concentration

slide24

Low concentration

High

concentration

Requires input of energy

- diffusion and osmosis do not

slide27

Cell model

98% water = High

95% water = Low

slide28

Cell model

98% water = High

95% water = Low

slide29

Cell model

98% water = High

95% water = Low

slide30

Cell model

98% water = High

95% water = Low

The cell will lose water

slide31

Cell model

98% water = High

95% water = Low

The cell will lose water

?

slide32

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

slide33

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

slide34

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

It should if it loses water

slide35

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

It should if it loses water

slide36

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

It should if it loses water

Only water can exit.

slide37

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

It should if it loses water

Only water can exit.

slide38

Cell model

98% water = High

95% water = Low

The cell will lose water

?

Not if it is losing water.

It should if it loses water

Only water can exit.

Nope

slide39

Cell model

98% water = High

95% water = Low

The cell will lose water

slide43

High H2O

Freshwater

slide44

High H2O

Freshwater

LowerH2O

slide45

High H2O

Freshwater

LowerH2O

Freshwater

slide46

High H2O

Freshwater

LowerH2O

Freshwater

slide47

High H2O

Freshwater

LowerH2O

Freshwater

slide48

High H2O

Freshwater

LowerH2O

Freshwater

slide49

High H2O

Freshwater

LowerH2O

Freshwater

slide52

x

x

slide53

x

x

x

The concentration of water may vary, but the permeability of the membrane stays the same.

slide54

x

Why is the salt removed?

x

x

slide55

x

To maintain homeostasis

x

x

slide56

x

To maintain homeostasis

x

x

slide59

High H2O

Low H2O

slide60

High H2O

Low H2O

slide61

High H2O

x

Low H2O

slide62

High H2O

x

x

Low H2O

slide63

High H2O

x

x

Low H2O

slide69

x

x

slide70

x

x

slide71

x

x

x

slide72

x

x

x