Ecology Test Study Questions
- What is insolation ?
- Why doesn't the solar energy absorbed by the Earth cause the Earth to overheat ?
- How do ocean and wind currents re-distribute the sun's energy ?
- What latitudes have a net energy gain from insolation ?
- What latitudes have a net energy loss due to re-radiated heat ?
- Can radiation go through empty space or does it need a medium to move through ?
- What does convection requires to move heat energy ?
- Why does the land heat and cool faster than the oceans ?
- Why are there global winds ?
- Why are there ocean currents ?
- Describe the changes in air pressure, temperature and moisture as air moves over a mountain range.
- Why are deserts found at 30° N and S ?
- Do the polar regions tend to have high or low air pressure ?
- What effect do oceans have on temperatures and precipitation ?
- What is climate ?
- Define a biome.
- Give examples of abiotic factors in a biome.
- Give examples of biotic factors in a biome.
- Describe two major terrestrial biomes (include abiotic and biotic factors, and example plants and animals).
- What biome do we live in ?
Energy Flow and Trophic Levels
- What are trophic levels ?
- What is a food web ?
- What is biomass ?
- What are primary producers, primary and secondary consumers, carnivores, herbivores, omnivores, detrivores ?
- Does energy cycle in an ecosystem ?
- What are average energy losses with each trophic level ?
- Draw a food chain for the tundra.
- Describe the biogeochemical cycle for carbon.
- Draw the hydrologic cycle.
- What group of organisms play an important role in the nitrogen cycle?
- In natural systems there is no waste. True or false? Why ?
- What is a population ?
- Describe the two models of population growth - exponential and logistic.
- What is carrying capacity ?
- What is a community ?
- What is habitat ?
- What is niche ?
- Give an example of organisms that might follow a boom-crash population cycle.
- How do competition and predator-prey interactions shape a community ?
- Which of these interactions benefits both species involved ? parasitism, mutualism, commensalism
- Name a chemical and a physical plant defense.
- Name a chemical, physical and behavioral defense method that different animals have developed.