[BIO 161] - Midterm Exam Guide - Ultimate 12 pages long Study Guide!

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7 Feb 2017
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Miami
BIO 161
MIDTERM EXAM
STUDY GUIDE
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Lecture one
Chapter one
Energy flows, matter cycles
Food chains and 10% rule
o Primary consumer eats 10,000 units, will only get 1000 units of energy.
Net loss of 90%
o Secondary consumer gets 100 units of energy from primary
o Tertiary consumer gets 10 units of energy from secondary consumer
Humans and food chain
Humans and population growth
o Growing exponentially, industrial revolution with improved technology
sparked large increase in population size
o More efficiency with energy and resources is necessary with increasing
population
Humans: population issues
o Developing nations
80% of world population
20% of world resources used
o Developed nations
20% of population
80% of world resources used
o 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: Life expectancies
o Factors
Food, clean water
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Pollution
Pathogenic diseases
Lifestyle issues
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