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PLZ HELP FOR BIO

2007-02-08 12:07:11 · 3 answers · asked by Anonymous in Science & Mathematics Biology

3 answers

There are abiotic(non-living) and biotic(living) factors.
Abiotic factors:
1.Water
2.Light
3.Humidity
4.Wind
5.Soil and air pollutants
6.Allelochemicals(chemicals produced by plants which negatively affect other plants)
7.Acid rain
8.Temperature
9.Dust on leaves
10.Soil pH
11.Soil and atmospheric oxygen content
12.Nutrients in soil
13.Carbon dioxide present

Biotic factors:
1.Leaf size
2.Leaf age
3.Plant disease
4.Stomatal density
5.Chlorophyll content
6.Chloroplast density
7.Intercellular air spaces in leaves
8.Leaf arrangement on plant
9.Leaf anatomy(thickness/thinness)

2007-02-08 12:14:30 · answer #1 · answered by Anonymous · 3 0

presence/absense of sunlight...temperature...uhhh

2007-02-08 12:15:11 · answer #2 · answered by Xiao-Ling 1 · 0 0

temp.
humidity
light...that's all i could think of

2007-02-08 12:38:09 · answer #3 · answered by i am soo asian 3 · 0 0

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