BIO 1400 Lecture Notes - Lecture 1: Ionic Bonding, Overproduction, Archaea
Document Summary
The study of the diversity and relationships of organisms, both past and present. The number of protons an element contains (the top number on the element in the periodic table). Substances that contain two or more elements in a fixed ratio. Substances that cannot be broken down into other substances. When two atoms are held together by the attraction between opposite charges. Two atoms that share electrons in order to have a completed outer shell. Darwin"s ideas (3 of them: overproduction, struggle for existence, survival of the fittest. Analogous structures - unrelated or distantly related organisms evolve similar body forms, characteristics, organs, and adaptions. 3 domains of life: bacteria, archea, eukarya. Homologous structures - organisms related to each other though common ancestry. molecule a group of atoms that have been bonded together. "to know" matter anything that occupies space and has a mass. 3 physical states: solid, liquid, and gas. metabolism.
