Please help me understand what I did wrong, Thanks

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.

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.