BIOL 1201 Chapter : Biology Notes Chapters 1-3
Document Summary
Biology chapter 1: about 1. 8 million species have been identified and named, with so many different species, there are many different unifying similarities, 1. Life contains an order of structural levels with each level building on the levels beneath it (more levels, more complex: hierarchy of biological organization, 1. Biosphere: all of the environments on earth that are inhabited by life (land, water, atmosphere: 2. Ecosystem: all living things in a particular area, along with non-living environmental components with which life interacts (soil, water, light: 3. Community: the entire array of organisms inhabiting a particular ecosystem: 4. Population: individuals of a species living within the bounds of a particular area: 5. Organ/organ system: body part consisting of 2 or more tissues, which carries out a specific function within an organism (liver, kidney: 7. Tissue: group of cells from similar embryonic origins that combine to form organs: 8. Cell: the fundamental unit of structure and function in life (neuron, hepatocyte: 9.
