Honors Biology Study Guide : Ecology Unit
A. Keystone Essentials
B. TEXT : Know the definitions of the following vocabulary words and concepts:
1. Dispersal Patterns
2. Growth rate of a population, calculation =
3. What is the relationship between “r” and population size? What if “r” is negative?
4. What happens if the population exceeds “K”?
5. What is an example of an “r-selected” organism?
6. What is an example of a “K-selected” organism?
7. Why has the world human population growth changed dramatically in the past few centuries?
8. In which type of country do the greatest number of humans reside?
9. What is an autotroph?
10. What is a primary producer?
11. In which kind of relationship does a predator become more efficient, while the prey becomes better at escape?
12.What kind of relationship do reef-building coral and zooxanthellae have?
13.What habitat has the greatest species diversity?
14.Where would primary succession be found?
15.What is the source of carbon for photosynthetic organisms?
16. What type of organism is responsible for “carbon fixation”?
17.Explain the cycling of phosphorus.
18.Explain trophic levels in a pyramid of energy.
19. What key concept limits the number of trophic levels in an ecosystem?
20. What biome has the highest rate of primary productivity?
21.Explain the results of the Coriolis effect.
22.Describe each biome : Tundra, Savanna, Desert, Chapparal, Taiga
23.Define : Benthos, Phytoplankton, nekton, and profundal
24.What is GPP- respiration?
25.What is the cause of most species in danger of extinction being endangered?
26.What does stratospheric ozone do?
C. LAB : Tulpehocken Ecosystem