BIOL 1113 Lecture Notes - Lecture 7: Phyletic Gradualism, Reproductive Isolation, Ecological Niche

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General biology week 4 notes, what is a species, a species is a reproductive community of populations (reproductively isolated from others) that occupies a specific niche in nature; Mules: hybrid breakdown, reduced f2 fitness, hybrid lives but has fragile life spans, weird behaviors and are confused, ex. Squirrel became geographically isolated from common ancestor with its close relative: the albert squirrel, in the north rim of the. Grand canyon about 10,000 years ago when the colorado river cut open the grand. 4: think of them as living fossils, o(cid:373)eti(cid:373)es (cid:449)e see e(cid:448)ide(cid:374)(cid:272)e so(cid:373)eti(cid:373)es (cid:449)e do(cid:374)"t. The study of the biological diversity and evolutionary history of life on earth. Branch of biology concerned with identifying, naming, and classifying organisms. Name only one scientist gets to (cid:862)(cid:374)a(cid:373)e(cid:863) a spe(cid:272)ies (approved by government body) Identify anyone with a key can identify an organisms.

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