evolutionary zone
71Hybrid (biology) — In biology and specifically, genetics, the term hybrid has several meanings, all referring to the offspring of sexual reproduction.[1] In general usage, hybrid is synonymous with heterozygous: any offspring resulting from the mating of two… …
72History of paleontology — The history of paleontology traces the effort to understand the history of life on Earth by studying the fossil record left behind by living organisms. Paleontology is a field of biology, but its development has been closely tied to geology and… …
73protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …
74Brain — This article is about the brains of all types of animals, including humans. For information specific to the human brain, see Human brain. For other uses, see Brain (disambiguation). A chimpanzee brain The brain is …
75Extraterrestrial life — For fiction, see Extraterrestrials in fiction. For other uses, see Alien (disambiguation). A 1967 Soviet Union 16 kopeks postage stamp, depicting a satellite from an imagined extraterrestrial civilization …
76Astronomy — (from the Greek words astron (ἄστρον), star , and nomos (νόμος), law ) is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth s atmosphere (such as the cosmic… …
77Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… …
78Comportement erotique — Comportement érotique Pour les articles homonymes, voir sexualité (homonymie) …
79Comportement Érotique — Pour les articles homonymes, voir sexualité (homonymie) …
80Comportement érotique — Pour les articles homonymes, voir sexualité (homonymie). Chez les hominidés (l homme, le chimpanzé, le bonobo, l orang outan) et le dauphin, le comportement sexuel ne serait plus seulement un comportement de reproduction, mais deviendrait… …
