Of+females
21Sex differences in humans — Male and female anatomy. Note that these models have had body hair and male facial hair removed and head hair trimmed. A sex difference is a distinction of biological and/or physiological characteristics associated with either males or females of …
22reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… …
23Unisex name — A unisex name, also known as an epicene name, is a given name that is often given to either a boy or a girl. Some countries, however, require that a given name be gender specific (see German name). This list does not cover names in cultures where …
24sexual behaviour, human — Introduction any activity solitary, between two persons, or in a group that induces sexual arousal. There are two major determinants of human sexual behaviour: the inherited sexual response patterns that have evolved as a means of ensuring… …
25Bateman's principle — In biology, Bateman s principle is the theory that females almost always invest more energy into producing offspring than males, and therefore in most species females are a limiting resource over which the other sex will compete.… …
26homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction any of more than 32,000 species of sucking insects, the members of which exhibit considerable… …
27reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …
28Homosexual behavior in animals — For homosexuality in humans, see homosexuality. Homosexual behavior in animals refers to the documented evidence of homosexual and bisexual behavior in non human species. Such behaviors include sex, courtship, affection, pair bonding, and… …
29Ruffed lemur — Taxobox name = Ruffed lemursMSW3 Groves|pages=Varecia|id=12100059] image caption = Black and white Ruffed Lemur ( Varecia variegata ) regnum = Animalia phylum = Chordata classis = Mammalia ordo = Primates subordo = Strepsirrhini familia =… …
30Infanticide (zoology) — In animals, infanticide involves the killing of young offspring by a mature animal of its own species, and is studied in zoology, specifically in the field of ethology. Ovicide is the analogous destruction of eggs. Although human infanticide has… …
