Where does the signal go when the body detects a life i threatening change

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Both male and female gametes are created during the process of meiosis. the formation of male gametes is called spermatogenesis. after telophase il of spermatogenesis, there would be are all genetically male gametes created that