ENVS 100 ††††††† Review Sheet for Exam One


Review the following terms and concepts in your text and lecture notes.This list does not necessarily contain all exam material, but itís a good place to start.


Chapter 1Introduction

environmental science, ecology, environmentalism, ecosystem

capital: solar and natural

human population growth

economic growth and development, GDP, per capita GDP

developed vs. developing countries

resources: renewable, non-renewable, perpetual

pollution: sources, control

root causes of environmental problems


Chapter 2 Science

scientific method and critical thinking

organic vs inorganic molecules

population, community, ecosystem, biome

Laws dealing with gravity, matter and energy

photosynthesis and respiration

limiting factors

producer, consumer (primary, secondary, etc.)

herbivores, carnivores, omnivores, deomposers

food pyramid, web, chain

energy transfer in trophic levels

GPP, NPP, productivity in biomes

nutrient cycles: water, carbon, nitrogen, phosphorous (know the major pools and flows)


Chapter 3 Evolution and Biodiversity

micro- and macroevolution

natural selection

types of biodiversity

niche, habitat

generalist, specialist


human impacts on evolution

patterns in terrestrial biomes and aquatic life zones

eutrophic and oligotrophic


Chapter 4 Community and Population Ecology

types of species: native, non-native, indicator, keystone

competition (interspecific, intraspecific)

resource partitioning

predator, prey

symbiotic relationships: parasitism, commensalism, mutualism

parasite, host

primary vs. secondary succession

definition and types of disturbance

pioneer, climax species and communities

population characteristics

density, spatial distribution

exponential and logistic growth

carrying capacity

r vs. K strategies

density dependent vs. density independent population limiting factors


Chapter 5 Human population issues:

fertility rate

population age structures (demographics)

problems of overpopulation

6 billion people

biological and social reasons for population growth

more developed vs. less developed nations


Questions may cover videos from this section of the course.