A typical kelp forest shows strong vertical zonation from the well-lit surface to the bottom, including (from surface to bottom) which of the following zones?
A. canopy, understory, intertidal
B. understory, canopy, algae turf
C. inshore, kelp canopy, offshore
D. canopy, understory, algae turf
Answer: D
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Why do most fish and marine mammals have the same torpedo-like, streamlined shape?
a) A streamlined shape presents a greater surface area-to-volume ratio, which allows easier regulation of internal heat. b) If you are going to move through a substance, like water, it is necessary to have a head and eyes at one end and a tail at the other. c) Streamlining looks better to the opposite sex, so it leads to greater reproduction. d) The streamlined shape minimizes energy expended to move through the water. e) They can swim faster with streamlined shapes.
Briefly explain why it is so expensive to close down a nuclear power plant
What will be an ideal response
On the lee side of the mountain, is the relative humidity of the parcel increasing or decreasing as it descends from 6000 feet to sea level? Why?
Assume that a parcel of air is forced to rise up and over a 6000-foot-high mountain (as shown). The initial temperature of the parcel at sea level is 76.5°F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5°F>1000 feet and the SAR is 3.3°F>1000 feet. Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends. Indicate calculated temperatures to 1 decimal place.
What will be an ideal response?
What can the accumulation of coral and sediment change in the environment?
A) Ocean temperature B) Current patterns C) Proportions of dissolved gases D) All of these choices