Meiosis is the process of cell division that produces eggs and sperm for sexual reproduction. <span />
Answer:
The bacteria are autotrophs that oxidize hydrogen sulfide in vent water to, Other processes seem to take place very slowly at vents
Explanation:
Primary succession occurs when vegetation occurs in a place for the very first time, i.e there was no vegetation there before.
The causes are:
-Erosion
-Physiography
-Elevation
They convert carbon into other 'waste' products like oxygen. To put it simply it removes carbon from the carbon cycle.
Messages are slower acting and longer lasting. Plus they are classified as hormones, transported in the blood.