Title: Unit 3 Quiz
Course: BIS 205 Field Ecology - Copy > Section: BIS 205 Field Ecology - Copy

Q: An organism that undergoes the process of acclimation usually involves
- genetic changes
- physiological changes
- conformational changes
- genetic and physiological changes
- all of the above
A: physiological changes

Q: Hibernation and torpor have all of the following in common except
- reduced body temperature
- reduced metabolic rate
- duration
- decreased energy demands
- hibernation only occurs at cold temperatures and torpor only occurs at warm temperatures
A: duration

Q: Many marine organisms deal with osmotic pressures by maintaining an internal solute concentration ______ the seawater they live in.
- much lower
- equal to
- much greater
- of zero compared to
A: equal to

Q: Which of the following is not a factor that impacts the microclimate of an environment?
- ground color
- topography
- vegetation
- boulders
- all of the above influence microclimates
A: all of the above influence microclimates

Q: Studies on the dunes in the Negev Desert found mosses typically grew on the ____ slope due to _____.
- northern, increased evaporation
- northern, decreased evaporation
- southern, increased evaporation
- southern, decreased evaporation
- southern, increased sun exposure
A: northern, decreased evaporation

Q: Reptiles are most often considered to be
- homeothermic
- poikilothermic
- heterothermic
- endothermic
- None of the above
A: poikilothermic

Q: Describe the use of stable isotopes in identifying the sources of water a plant uses during different seasons of the year.

Q: [_____] vegetation grows along streams and rivers, shading them and reducing temperature fluctuations.
A: Riparian

Q: Water that an animal gains from the breakdown of ingested food is called
- digestion water
- synthesized water
- dietary water
- metabolic water
- evolutionary water
A: metabolic water

Q: In order for a plant tissue to gain water from the soil, the ψ_plant must be ______ ψ_soil.
- less than
- equal to
- greater than
- ψ_plant must be positive and ψ_soil must be negative
A: less than

Q: As temperature increases, the amount of water vapor in the air at saturation
- increases
- decreases
- remains constant
- plateaus near 37 degrees Celsius
- None of these are correct
A: increases

Q: Water temperatures vary more quickly than do air temperatures.
- True
- False
A: False

Q: Freshwater bony fish are ______ to their environment, resulting in water diffusing out across their gills.
- hyposmotic
- isosmotic
- hyperosmotic
- in equilibrium
A: hyperosmotic