BIOL 1001 Chapter : CH 14 Outline
Document Summary
Biologists specialize in the study of life. An understanding of chemistry is important because an interaction between. Atomic structure: atoms is one of the lowest levels of biological organization: chemistry is relevant to the study of life (devil"s garden example) Mass mass is the amount of matter in an object, where as eight of an object is how strongly that mass is pulled by gravity: sometimes we substitute the term weight for mass. Approximately 25 of the elements are essential for life (an organism needs to live a healthy life and reproduce). Humans need 25 elements vs plants that only need 17. Oxygen, carbon, hydrogen, and nitrogen make up 96% of living matter. Of those the most biologically important by percentage are (see table 2. 1): Required by an organism in only minute (very small) quantities. Some naturally occurring elements are toxic to organism. Smallest unit of matter that still retains the properties of an element.
