AP Biology Final Exam Study Guide 1: Ecology & Animal Behavior
1. Water
a. Check off which characteristics apply to which body of water:
Characteristic
Moving Stream
Water layered by temperature
Higher levels of dissolved oxygen
Higher salt content
Occurrence of eutrophication
Many anaerobic organisms
Many aerobic organisms
Lake or Pond
b. How does heating up water affect:
-Hydrogen bonding:
-Dissolved oxygen content:
c. Define:
-Transpiration
-Cohesion
-Adhesion
2. Define and give and example:
-Imprinting:
-Insight Learning:
-Trial and Error Learning:
3. The Nitrogen Cycle
_____ Ammonification
_____ Denitrification
_____ Nitrification
_____ Nitrogen Fixation
a. Conversion of ammonia to usable nitrates
b. Bacteria on plant roots convert N2 gas to ammonia
c. Conversion of unused nitrates back to N2 gas
d. Bacteria produces ammonia from nitrogenous wastes
4. Energy flows through and ecosystem, matter is cycled (often by bacteria). No question here, just a reminder
comment!
5.
a. What is a “trophic level?”
b. Which organisms here feed at multiple
trophic levels?
c. Why are there usually only around 4 trophic
levels in a food chain?
6. Crossword
Word Bank
*Cyanobacteria
*Fermentation
*Photoperiodism
*Phototropism
*Carbon Dioxide
*Chemoautotrophs
*Symbiosis
*Net Primary
Productivity
*Gross Primary
Productivity
*Energy Pyramid
*Ecological
Succession
*Carrying Capacity
*Tropical Rain
Forest
*Desert
*Fire
*Keystone Species
Across
8. Gradual transition from one type of community to
another
9. Biome characterized by stable temperature and
rainfall, low light levels inside, and rapid nutrient
cycling
11. Remaining biomass after producers have completed
their respiratory processes
12. Explains why plants grow toward light
13. Explains why plants only grow in certain seasons
14. Close association between organisms like fungus
and algae or termites and gut bacteria
15. Blue-green algae
16. Organism in a food chain or ecosystem whose
presence greatly influences species diversity
Down
1. Symbolized by "K" in the study of population biology
2. Anaerobic respiration
3. All biomass produced by producers
4. Biome characterized by general hot weather, dry
conditions, and low-ish biodiversity
5. Most abundant carbon-containing molecule in the
atmosphere
6. Diagram showing loss of biomass and energy through
a food chain
7. Surprisingly good for an ecosystem because it
releases nutrients stored in dead plant materials
10. Describes the bacteria living and producing in the
undersea thermal vents