2006-06-28 02:24:16 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Botany
only if they are growing (the balance is called net photosynthesis rate). but when the conditions are not favourable for photosynthesis, they may get into "red numbers", negative net photosynthesis rate, like when they are wilting and/or it is too hot, they respire more than the photosynthesize. generally in temperate region water supply is the limiting factor, in sea it is the light that rapidly gets low when we get deeper.
2006-06-28 04:58:53 · answer #1 · answered by iva 4 · 2⤊ 1⤋
Plants remove more carbon dioxide that they release. Photosynthesis is one of the main removers of carbon from the atmosphere. Actually oceanic algae are the ones that give us the most oxygen due to their relative abundance.
2006-06-28 02:53:14 · answer #2 · answered by ATP-Man 7 · 0⤊ 0⤋
No if they are producing fruits or seeds, because they store a lot of CO2 in form of glucose or starch so they store more they they expel.
Yes if they are growing, in growth processes they have More catabolic activity than anabolic, so they ten to expel More CO2
2006-06-28 10:24:03 · answer #3 · answered by pogonoforo 6 · 0⤊ 0⤋
I don't know why you say night, plants breath in Co2 constantly, and release O2.
2006-06-28 04:58:40 · answer #4 · answered by jenn339 2 · 0⤊ 0⤋
Of course, since carbon fixation is needed for biomolecule synthesis processes in plants. If they were "breathing away" more CO2 than they could bind, they would not be able to grow. :)
2006-06-28 03:03:30 · answer #5 · answered by Bori 1 · 0⤊ 0⤋