2007-07-30 04:35:42 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Botany
simple answer - the chlorophyll!
Some plants are darker because of the amount of chlorophyll in the leaves.
One suggestion is that the darker the leaves the more sunlight energy is absorbed, this is correct also and, apart from being black - unlikely as black is an absence of colour, some plants are purple - purple absorbs more wavelengths of light energy and so enhances the degree of photosynthesis!
Check out A level plant science books for the real phytochromic in depth answers
2007-07-31 09:10:06 · answer #1 · answered by willwakeman 2 · 0⤊ 0⤋
Grass (and most plants) obtain their energy from the Sun.
The chemicals (Chlorophyll) that the grass cells use to absorb the energy from sunlight are not very efficient at absorbing green light, so the green light is mostly reflected ..
If grass was better at absorbing energy, it would be black = ie. no light would be reflected..
2007-07-31 07:46:00 · answer #2 · answered by Steve B 7 · 0⤊ 0⤋
It's the basic colour of grass and plants.
2007-08-02 07:31:22 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Chlorophyll in the plant cells.
2007-07-31 05:56:51 · answer #4 · answered by Chariotmender 7 · 0⤊ 0⤋
chlorophyll in plant cells that the plants use as a food source
2007-08-02 23:45:32 · answer #5 · answered by seeders_husband 1 · 0⤊ 0⤋