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Botony > 11/26 Lecture > Flashcards

11/26 Lecture Flashcards

1
Q

How much of the plants water is lost to transpiration?

A

90%

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2
Q

The factors that affect transpiration are:

A

Humidity
High Temperatures
Air Movement

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3
Q

Diffusion vs. Osmosis (in a plant)

What is the difference?

A

Osmosis is when there are multiple obstacles or energy gradients for the water to move through.
Diffusin is just moving from one energy gradient to another

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4
Q

What makes food move around the plant through the phloem?

A

Horomones trigger the movement.

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5
Q

What is Source?

A

Always Green Material

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6
Q

What is SInk?

A

Always areas of metabolic activity

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7
Q

What factors affect germination?

A

Water
Oxygen
Temperature
Light (sometimes)

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8
Q

What is stratification?

A

Cold period needed to break dormancy

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9
Q

What are flowers responsible for?

A

attract pollinators

reproduction

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10
Q

What is a perfect flower?

A

a flower that has both male and female sexual parts

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11
Q

What does Dioecious mean?

A

Male OR Female parts….not both

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12
Q

What does Monecious mean?

A

Plants have Both Male and Female parts

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13
Q

If a flower is Complete…it means:

A

Male and female sexual organs are together in the same place in the flower

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14
Q

If a flower is Incomplete….it means:

A

Male and female sexual organs are on seperate parts of the flower

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15
Q

What is Pollination?

A

actual movement of pollen from one plant to another

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16
Q

What is Fertilization?

A

When the pollen goes down the germ tube and begins sexual reproduction

17
Q

What is Apomixis?

A

A flowering structure that does not allow it to be pollinated. Can only reproduce via Rhizome or Stolon (KBG)

18
Q

Name a few Macronutrients

A

Nitrogen
Phosphorus
Potassium

19
Q

Name a few Micronutrients

A

Iron
Zinc
Manganese
Copper

20
Q

How many essential elements are there?

A

17

21
Q

What is the main difference between Macro and Micro nutrients?

A

The amount of each that are found in the plant. They are all essential for plant life.

22
Q

What is itiolation?

A

Lack of sunlight

23
Q

What is Photoperiodism?

A

Only flowers w/ shorter days

Botony (4 decks)

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