Which term is the name of the diploid stage of the plant life cycle? gametophyte sporophyte sperm egg

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%