Just marked these: There are two kinds of reproduction, heterosexual and asexual. Sexual reproduction is wasteful of energy, because of all the effort involved. Sexual reproduction is a waste a male gametes. Sex always involves travelling
LOL I saw part of an exam paper the other day. A triangle had two sides marked with values and the third with x. The question was - find x. The student had cicled and arrowed the x and written, "It's here."
