Osteoporosis is a disease that affects the bones and leads to an increase in bone fractures. osteoporosis is most likely to be affected by which cycle?

Osteoporosis is most likely to be affected by : Phosporus cycle.
 basically, our skeleton are the warehouse of two substance, calcium and phosporous. If our skeleton has insufficient amount of these two susbtance, it will weakened its composition and caused the osteoporosis

They include lobsters and crabs

Yes it is hereditary because of the penis