UNIT 4 REVIEW SHEET
Chapter 5
Species evenness
4 factors that determine climate
Theory of island biogeography and affect on
immigration and extinction rates
4 factors that determine global air circulation
patterns
Indicator species
What is a biome?
Keystone species
Why can so many herbivores live together in the
savanna?
Foundation species
Nonnative, invasive, and alien species
Why is the arctic tundra so fragile?
Why are amphibians so important?
What adaptations do plants in the arctic tundra
have?
What has caused some of our grasslands to undergo
desertification?
What do we know about the leaves in the trf?
Know the stratification of the trf
Which biome has been most disturbed by human
activity?
How do humans impact the world’s forests?
5 types of interactions between species
Resource partitioning
Primary and secondary succession
Intermediate disturbance hypothesis
3 aspects of stability or sustainability
Chapter 8
Population dynamics
Chapter 6
What is the most common pattern of population
dispersion and why?
4 environmental factors that determine the types
and numbers of organisms found in aquatic life zone
2 ways that a population can increase/decrease
Know the major life zones in the ocean
Barrier islands
Which aquatic environment is similar to the trf?
Zones of life in lakes
Oligotrophic and eutrophic lakes
What time of year would you find thermal
stratification and no mixing in a temperate lake?
Age structure and effect on population growth
Intrinsic rate of increase (r)
Biotic potential
Carrying capacity
4 patterns of population change
Bottom-up population control
Top-down population control
What causes an overturn and what is it?
r-selected species
Chapter 7
K-selected species
Species richness
Survivorship curves
UNIT 4 REVIEW SHEET