2006-09-10 02:33:52 · 6 answers · asked by Carl 2 in Science & Mathematics ➔ Biology
Amoeba take up water constantly through the process of osmosis. An amoeba consists of a single blobby cell surrounded by a porous cell membrane. The amoeba "breathes" using this membrane - oxygen gas from the water passes in to the amoeba through the cell membrane and carbon dioxide gas leaves through it. Water is needed for their respiration processesto be done to survive so basically they need to be living in water.
2006-09-10 05:54:10 · answer #1 · answered by ♥ lani s 7 · 1⤊ 0⤋
Because it's body (93% protoplasm) is nearly 100% water. To leave the water is to deydrate and die, for an amoeba.
2006-09-10 09:39:23 · answer #2 · answered by Pundit 3 · 0⤊ 0⤋
as amoeba absorbs nutrients,food materials,water which are helpful for their survival are present in the water, by the plasma membrane surrounding it ,it absorbs them ,this facility is not available on soil or in the air
2006-09-10 09:40:57 · answer #3 · answered by rakesh r 3 · 0⤊ 0⤋
It would dry out, otherwise. It has no "skin" only a membrane of slightly denser goo.
2006-09-10 09:36:21 · answer #4 · answered by Grendle 6 · 0⤊ 0⤋
It helps stop dryingoutus toomuchus, which can be deadly to many life forms.
2006-09-10 09:36:38 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Well, we are over 75% water, so it seems natural to me.
2006-09-10 09:36:04 · answer #6 · answered by Ya-sai 7 · 0⤊ 1⤋