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Answered 2013-05-01 13:39:23

negative is up and postive is down

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What are positive and negative geotropism?

Geotropism (also called gravitropism) is the turning or growth movement by a plant or fungus in response to gravity. Roots show positive geotropism (grow toward gravity - down) and stems show negative geotropism (grow away from gravity - up).


Why does geotropism occur?

Geotropism occurs due to the plants response to gravity. If the roots grow downwards they are displaying positive geotropism whereas the stems display negative geotropism.


What is the difference between positive and negitve geotropism?

The movement of plant parts in response to gravity. Positive geotropism causes roots to grow downward; negative geotropism causes stems to grow upward.


What is geotropism?

Geotropism is a plant growth or movement in response to gravity. Upward growth of the plant's parts against gravity is called negative geotropism, whilst downward growth of roots is called positive geotropism.


What are the advantages of geotropism in plant?

Negative geotropism allows a plant to grow upwards to take in sun. Positive geotropism allows a plant to grow downwards to take in all the water and nutrients from the soil.


Which is an example of negative phototropism?

An example is the growth of a plant's roots. It is also an example of positive geotropism.


What are the types of tropism?

The types of tropism are Positive/Negative Tropism, Phototropism, Gravitropism(geotropism), and Thigmotropism.


What causes geotropism?

When the auxins in the plant act towards gravity... positive geotropism is wen the plant goes to the direction of gravity which would be downwards..negative geotropism would be upwards going against the natural gravity


What are the advantages of geotropism?

positive geotropism help to anchor the plant


Does geotropism determine the direction of growth?

Yes, geotropism DOES determine the direction of growth. Negative geotropism is when a section of the plant grows upwards. For example, stems grow upward. Positive geotropism is when a section of the plant grows downwards. In this case, a plant's roots would be the perfect example.


What is Plant tropisms?

Plant tropisms is when the plant grows upwards away from gravity. This is an example of negative geotropism. -Positive and Negative Phototropism-bending or growing toward or away from light -Geotropism-influenced by gravity -Thigmotropism-influenced by touch


What is negative tropism in plants?

tropism = growthpositive tropism = growing with somethingnegative tropism = growing against somethingegpositive phototropism - growing towards light (plant shoots/coleoptiles*)negative phototropism - growing away from light (roots)positive geotropism - growing according to gravity (roots)negative geotropism - growing against gravity (shoots/coleoptiles*)*coleoptiles = another name for shoots.


What is positive gvravitropism?

firstly there is no word as GVRAVITROPISM. When plants grow towards gravity it is called GEOTROPISM. its is mainly the root of plants that show geotropism; because they grow downward. but the stem show negative geotropism because it grows up in the opposite direction of gravity


How is geotropism beneficial to plant's growth and survival?

stems and leaves exhibit negative geotropism.


Roots show geotropism because they grow toward gravitational pull?

Positive geotropism


Roots grow up with a positive?

Geotropism


What controls geotropism and phototropism?

When the auxins in the plant act towards gravity... positive geotropism is wen the plant goes to the direction of gravity which would be downwards..negative geotropism would be upwards going against the natural gravity Phototropism is when the plant reacts towards the photosynthesis conditions where when light acts on the plant so the auxins burst and the plant bends towards light..this is positive phototropism...but when the plant goes against the direction of light it is then negative phototropism


Stems and leaves grow using negative?

geotropism


What is Positive gravi groth tropism?

Positive geotropism is where the roots grow towards gravity.


Why do bananas grow upside down?

because they are negative geotropism


Which part of the plant show positive geotropism and why?

Geotropism is the behavior of growing Toward the earth, therefore, it is the roots. If the roots did not show positive geotropism, the plant would suffer because the roots cannot achieve nutrient uptake above ground (out of the soil in a normal environment).


Is a positive plus a negative make a positive or a negative?

Positive + Negative = Negative Negative + Negative = Positive Positive + Positive = Positive Negative + Positive = Negative


What is the main stimuli affecting the growth of the shoot of the plant?

light, positive phototropism and towards the light gravity, negative geotropism and grow in opposite direction to gravity NOT WATER


Do plants always grow downward?

No, plants do not always grow downward. Plant roots always grow downward due to positive gravitropism or positive geotropism. Plant shoots always grow upwards due to negative gravitropism or negative geotropism.


How is dividing integers similar to multiplying integers with the resulting sign?

The rules for the sign (positive or negative) of the result of a multiplication is the same as division. For multiplication: Positive * Positive --> Positive Positive * Negative --> Negative Negative * Positive --> Negative Negative * Negative --> Positive For division: Positive / Positive --> Positive Positive / Negative --> Negative Negative / Positive --> Negative Negative / Negative --> Positive