What type of disease are in a grem?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

Are the earth's ocean floor and continents the same age geologically? why or why not?