[BIO 161] - Midterm Exam Guide - Ultimate 12 pages long Study Guide!
Document Summary
Food chains and 10% rule: primary consumer eats 10,000 units, will only get 1000 units of energy. Net loss of 90: secondary consumer gets 100 units of energy from primary, tertiary consumer gets 10 units of energy from secondary consumer. Humans and population growth: growing exponentially, industrial revolution with improved technology sparked large increase in population size, more efficiency with energy and resources is necessary with increasing population. 20% of world resources used: developed nations. 80% of world resources used: fertility rates. Higher fertility rates in developing nations, while developed nations have low. Infant mortality rates are low in developed countries, but in developing the rates are high. Humans: physiology overview: multiple systems working together in the human body. Breathe in o2, goes into lungs, gets transported into respiratory system. Cells take in oxygen and nutrients for energy. Basic chemistry: atoms, elements, molecules, and compounds, water & its properties.
