Population Ecology Leader: Shelly 12.2 Course: BIOL 101 Supplemental Instruction Instructor: Dr. Valenzuela Iowa State University Date: 4/21/15 1. Define each term: Individual

Population 

Community 

Ecosystem 

2. What are the differences between wolves and moose lifestyles and distribution patterns?

3. Name the three common population distribution patterns:

4. What is the difference between immigration and emigration?

5. What is the difference between exponential growth, carrying capacity, and logistic growth?

6. Name four ways moose and wolf health is monitored:

7. Name some abiotic and biotic factors that influence population growth:

1060 Hixson-Lied Student Success Center v 515-294-6624 v [email protected] v http://www.si.iastate.edu 8. An ecosystem ecologist might study: A. Plant populations B. Herbivores that eat the plants C. Predators in the population D. The impact of precipitation patterns on the plant populations E. All of the above 9. Which of the following describes population growth? A. The average weight of Americans has increased in the past decade B. Tropical fish have been found in waters more northern that usual C. The number of people in a town has increased by 25% in the past 5 years D. The number of butterflies in a region has stayed the same from 1950-2000 E. All of the above 10. Which of the following is a density-dependent factor influencing population growth? A. Elevated temperature B. Prolonged winters C. Viral disease D. Devastating forest fire E. All of the above