I Which situation would be part of the normal reproductive cycle of a human?
by the presence of
testosterone regulating gamete production in a male
(2) estrogen in concentrations that would produce sperm in a female
(3) a high progesterone level in a male
(4) a low insulin level in either a male or a female

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow