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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.