1.1: Human Biology Difficulty Level: At Grade Created by: CK-12 Share Add to Library Turn In Read Resources Details Originally developed by the Program in Human Biology at Stanford University and EVERYDAY LEARNING® Donated to CK-12 Foundation under the Creative Commons Attribution-NonCommercial (CC BY-NC) license. This license allows others to use, distribute, and create derivative works based on that content. Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Please Sign In to create your own Highlights / Notes Show More Image Attributions Show Hide Details Description No description available here... Tags: CK.SCI.ENG.SE.1.Human-Biology-Ecology.1 ecology introduction Subjects: science Grades: 6 , 7 , 8 Date Created: Feb 23, 2012 Last Modified: Jan 30, 2016 Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the section. Click Customize to make your own copy.