25 Flashcards

(58 cards)

1
Q

Tannis

A

most common toxin, bitter tasting(comes from tanning a hide)

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2
Q

latex

A

plants produce latex, stretchy

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3
Q

Allelopathy

A

chemical warfare between roots, one tries to get more

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4
Q

Auxins

A

effects growth, impacts plants growing(some causes the plant to grow more others make the plant grow less)

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5
Q

Cytokines

A

Promote growth, new parts of plants(seed, buds)

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6
Q

Gibberellins

A

causes extreme growth

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7
Q

Ethelene

A

Made from ripe fruit. Makes fruit ripens, gas(simple)

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8
Q

Pheromones

A

released by an organism and it effects another organism uses poison. Use it against predator.

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9
Q

Hydrotropism

A

plants response to water(roots) positive tropism

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10
Q

Chemotropism

A

plant growth is response to chemicals (roots)

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11
Q

Thigmotropism

A

adjusts growth based off of actions(stem)

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12
Q

Immobile

A

needing to defend themselves

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13
Q

What are 3 ways plants can defend themselves?

A

Spines, thorns(modified branches)

Cork(outer bark)

Wax Cuticle

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14
Q

How does latexprotect plants?

A

helps the plant not get eaten, because it can gum up jaws of insects and it could be toxic

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15
Q

What is a type of Allelopathy?

A

Black Walnut Trees,(makes a bunch of weird chemicals, good chance the prey won’t survive )

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16
Q

What is one way we intenionally use plant poisen?

A

Medications

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17
Q

Hormones

A

Chemicals that are usually made by one part of the organism and impacts another part of the same organism

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18
Q

What is a Apical Menstream?

A

Place where the plants grow taller

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19
Q

What is a tropism?

A

Changes growth based on something in the environment

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20
Q

What do plants care about?

A

Sunlight, water(hydro), and air

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21
Q

Phototropism

A

relates to plant growth responding to light,

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22
Q

Gravotropism

A

plants effected by gravity

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23
Q

Which is more dominate Phototropism or Gravotropism?

A

Phototropism

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24
Q

Agriculture

A

Helping Animals/plants we like be successful(mostly for our food)

25
Revolutions
Something that has a big change under a short period of time
26
What is the purpose of Photoperiodism?
Controled by hormones, and responds to light
27
What are 3 adaptations aquatic plants have to live in a specific enviroment?
1. Tissues with space for air 2.knees(it gains oxegen) 3. Seeds that can float in bodys of water
28
What are 3 adaptation desert plants have to make to live in its enviroment?
1. Extensive roots 2. reduced leaves 3. thick skins
29
Why do Carnivorous plants need to eat insects?
To gain nutriants/protiens
30
What is a revolution?
Somthing that hasa big change in a short period of time
31
Agriculture
Helping plants/animals become more succesful(mostly for our own benifit)
32
Who was Thomas Malthus?
He studied population growth in humans and predicted there would be a global starvation, but lukily due to Mechanicism we were able to get more food quicker
33
Tilling
turning/mixing the soil
34
What is the purpose of tilling?
bust up the soil
35
Aquifer
coneected to saturated soil/water
36
What is Slash and burn agriculture?
cut down a tree and burn it
37
Is the Slash and Burn tenique good for plants?
No
38
What makes a Monocot a Monocot?
3,6,9 flowers/fruit parts Parellel Veins
39
What makes a Diocot a Diocot
4,5,8,10, or many flowers/ fruit parts net viens woody stem
40
What is a green revolution?
there became fertilizers
41
What dangers/problems do plants face from other animals/ plants? How do they deal with these dangers?
Other plants and animals will try to eat the other animals and plants. They can use cork,spikes, poisin, etc.
42
What are the trade offs for not having defences
not alot of energy for food
43
How are auxins used in apical dominances
effects the plants growth`
44
What is gravitropism?
gravity controlinng a plants growth
45
How do we take control of Apical dominance in plants?
We control the growth
46
When is a plants life most important?
growth in leaves
47
What is a agricultural reveloution?
we made animals and plants work for our benifit
48
What would of happened if the western world didnt have a agricultural reveloution?
a famine would occur
49
What is sustainable agriculture?
farming in ways that will last a while
50
How do we get seedless plant varietys?
Cut a part off then plant it
51
Why do people not use drip irragation alot?
its expensive
52
What is BT corn
Built in toxin
53
Round up ready
herbiside
54
Golden Rice
helps people get Vitman A
55
What are 2 examples of current practices that might not be susstainable
1.Water taken from Aquifers 2.Slash and burn(only when they do it too much)
56
How can hormones control plants growth in phototropism
makes them move toward the light
57
When is a plants life most important in gravitropism?
When the seed is in the embryo underground
58
How do venus flytraps close quickly?
pumping water