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Applied Science Unit 3 Experiments > Plants And Their Environment > Flashcards

Plants And Their Environment Flashcards

Global warming, human effects, natural effects, photosynthesis

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1
Q

Effect of calcium deficiency?

A

Tissues become soft and plant will wilt

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2
Q

Effect of magnesium deficiency?

A

Essential for chlorophyll molecule. Can’t photosynthesis, won’t grow

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3
Q

Effect of iron deficiency?

A

Leaves become bleached leading to deficiency in chlorophyll and reduced photosynthesis

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4
Q

Effect of potassium deficiency?

A

Potassium is essential for flowers and fruit. Leaves lose colour at tips and may curl and crinkle

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5
Q

Effect of nitrate deficiency?

A

Plants will become short and spindle and leads to deficiency in chlorophyll. The may wilt and die.

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6
Q

Effect of phosphate deficiency?

A

Plants grow slowly leading to dwarfed and stunted plants

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7
Q

Effect of sulfate deficiency?

A

Veins in leaves become reddish leading to deficiency chlorophyll. Leave may also become twisted and brittle

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8
Q

What’s a meristem?

A

A meristem is the part of the plant that controls growth, if destroyed plants will struggle to grow/can’t grow

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9
Q

How does trampling affect plant growth?

A

Leads to the meristem being destroy so plant can’t grow

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10
Q

How does pollution affect plant growth?

A

Acid rain causes the soil to become acidic

Killing or inhibiting plant growth

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11
Q

How do chemicals affect plant growth?

A

Pesticides can inhibit the growth of certain plants and increase the growth of others

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12
Q

How does overharvesting affect plant growth?

A

It depletes nutrients from the soil

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13
Q

How does habitat destruction affect plant growth?

A

Deforestation or clearing of land for agricultural or cattle grazing kills plants

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14
Q

How does introduction of foreign species affect plant growth?

A

New plant species affect growth of native plant species as they fight for resources

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15
Q

What do plants need to grow?

A 
Light
Water
Nutrients (ions)
Carbon dioxide
Space
Suitable temperature
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16
Q

What factors affect the rate of growth?

A 
pH of soil
Aeration
Light intensity
Temperature
Moisture
Ions
17
Q

How do you measure the distribution of plants?

A

Quadrats

Transect

18
Q

How do you work out the number of daisies in a field?

A

Area of the field/

area of quadrat used. *Number of daisies counted

Applied Science Unit 3 Experiments (6 decks)

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