the chemical energy used by (most )organisms for metabolism and growth ultimately comes from?

1 ⤊

heat
the sun, carbon dioxide, evolution, the decomposition of plants and other organic debris

2007-02-05 07:35:49 · 5 answers · asked by snnopy 2 in Science & Mathematics ➔ Biology

The sun.

Not to be a stickler, but the light energy from the sun is what drives photosynthesis. Thus heat would be an incorrect answer.

2007-02-05 07:44:11 · answer #1 · answered by floundering penguins 5 · 0⤊ 0⤋

The sun of course. And since the sun is very hot, heat would also be a correct answer.

2007-02-05 15:39:37 · answer #2 · answered by Voice of Insanity 5 · 0⤊ 1⤋

ultimately the sun

2007-02-05 15:38:21 · answer #3 · answered by tain 3 · 0⤊ 0⤋

the sun

2007-02-05 15:38:19 · answer #4 · answered by chocolate_icecream 2 · 1⤊ 0⤋

the sunlight and heat[energy]

2007-02-05 15:40:33 · answer #5 · answered by George 3 · 0⤊ 1⤋