Supplemental Instruction
Iowa State University / Leader: / Kristin
Course: / BIO 211 (3)
Instructor: / Colbert
Date:
1. What are the four types of ecology and give a basic description of each?
2. The region of the universe where we know life to exist is the
a) Earth
b) Land, water and atmosphere of Earth
c) Biosphere
d) Ecosystem
3. What are the two types of factors that define an environment, limit the distribution of a species and determine the abundance of a species?
4. Determine which of the following is an example of an abiotic or biotic component?
__ The amount of light that reaches the different depths of the ocean.
__ The bubonic plague which swept through Europe in the 14th century killing millions.
__ The salinity of certain aquatic environments determining which species can survive in that environment.
__ The competition seen between two different species of bird for a particular nesting space.
5. What are two of the many factors that affect the extent of dispersal of a species?
6. Which of the following is not a reason to study populations?
a) Wildlife management
b) Species Conservation
c) To understand how different species interact
d) Life insurance
7. The current population of size of homo sapiens is near
a) 5 million
b) 6 million
c) 7 million
d) 8 million
8. What are three strategies used to estimate the size of non-human populations?
9. What are the three patterns of population dispersion?
10. Which of the three patterns of population dispersion demonstrates positive interactions and what are the benefits?
11. Which of the three patterns of population dispersion demonstrates negative interactions and what are some of the reasons for following this pattern?
12. Which of the three patterns of population dispersion demonstrates a lack of strong intra-population interactions? What was the example of this given in class?
13. What kind of population dispersion do humans follow?
14. Which species is an example of temporally-based variation in dispersion?
a) Bats
b) Penguins
c) Humans
d) Seagulls
e) Owls
15. True or False, correct false statements.
Population ecology focuses on the processes that correlate with population change.
16. Define the following terms of population dynamics.
a) Demography –
b) Population Growth –
c) Population Loss –
17. Population growth can either be
a) Exponential or Linear
b) Linear or Logistic
c) Exponential or Logistic
d) Logistic or Sigmoidal
18. Sketch a graph of each kind of population growth model. Use years as your x-axis and population size as your y-axis.
19. What kind of population growth model are humans in right now?