How is the water in hydrothermal vents heated?
The water is pressurized.
Friction heats the water as it seeps into holes and cracks on the ocean floor.
The water comes near magma chambers.
The water at the ocean bottom is hot.

friction heats the water as it seeps into holes and cracks on the ocean floor.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.