activities associated with sexual intercourse | the conception and development of an idea or plan |
the properties that distinguish organisms on the basis of their reproductive roles | the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus |
all of the feelings resulting from the urge to gratify sexual impulses | the period during which an embryo develops (about 266 days in humans) |
either of the two categories (male or female) into which most organisms are divided | |