Biology Introduction

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Department
Biological Sciences
Course
BIO_SC 1010
Professor
Gayou
Semester
Spring

Description
Unit 1 – 1/24/2014 I. Biological Diversity (everything in the life zone of the planet) ­narrow (45 miles thick) ­1.8 million species of things (still increasing) 1. DOMAIN BACTERIA ­PROKARYOTES 2. DOMAIN ARCHAEA (live in hot springs, acid pools, rocks, volcanoes) ­PROKARYOTES 3. DOMAIN EUKARYA ­EUKARYOTES (Anything that is not bacteria) A. PROTISTA (mostly unicellular – amoeba, protozoa) B. PLANTS (things that use photosynthesis) C. FUNGI (get nutrition from other organisms) D. ANIMALS (true animals – critters, multi cellular eukaryotes) CELL: a unit of “living matter” MEMBRANE: division between outer and inner world EVERY LIVING THING IS COMPOSED OF CELLS II. Evolution ­the change in a species over time ­NATURAL SELECTION drives evolution
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