Human Ecology
Study Guide
Exam 3
Chapter 6: Species Interactions & Community Ecology
Be able to define and identify examples of:
Know that all producers are autotrophs
Know that all consumers are heterotrophs.
Be able to identify the difference between a primary, secondary and tertiary consumer.
Be able to identify the following types of consumers and the type of food that they eat.
Be able to identify the difference between a primary, secondary and tertiary carnivore.
Know what trophic levels are and how energy passes up them.
Know which level has the most biomass.
Know what predator-prey relationships are and how they affect both populations
Know what the following relationships are:
Know what a food chain is
Know what a food web is.
Chapter 8: Human Population
Know what the equation (births + immigration) – (deaths + emigration) represents.
Know what must happen when births outnumber deaths.
What is the general predication of the human population world wide (up, down, stable)
Know what Malthusian view on overpopulation was.
Know what a population profile is and what it represents. Be able make predictions from a population profile.
Know what affect the age distribution of individuals has on the population
Know what age distribution can predict about a population. (i.e. does the population have a lot of older people or younger people)
Know what the population profile would look like for a developing country and a developed country.
Know the general social characteristics of a country with a population growth rate
Know what social factors influence birth rates
Know what influence women’s roles have on birth rate
Know what characteristics distinguish a country with a high birth rate from one that does not have a high birth rate
Know what happens in countries with a population decline
Chapter 14: Environmental Health & Toxicology (Risk)
Know what is considered when determining risk management: risk & cost
Know what is meant be a perceived risk.
Know what does the public view as having a greater risk
Chapters 15 & 16: Marine & Freshwater Systems (Water and Water Pollution)
Know why water is important
Know that water is a solvent and why that helps us to dissolve waste in it
Organisms are more than 50% water.
Is water a well managed resource?
Know what causes water scarcity
Know what these terms mean:
Know why there are water shortages
Know what thermal water pollution is.
Know what factors affect the quality of a watershed
Know how agriculture impacts the quantity and quality of water supplies
Know what impacts ground water supplies.
Know where most water is used world-wide
Know what the water cycle (hydrologic cycle) is and how it functions to purify water
Know where the energy to drive the hydrologic cycle comes from
Know how water is renewed
Is water a renewable or nonrenewable resource
Know how water resources can be improved.
Know what affect can increasing efficiency have on water use.
Know what the difference is between point and non point pollution and be able to identify examples.