Recall that the littoral zone is the area between high and low tides (also called the intertidal zone), and the sublittoral zone extends from the low-tide shoreline out to a depth of 200 meters (600 feet; also called the shallow subtidal zone)
Why are sessile, plant-like macroalgae (i.e., those attached to the ocean bottom) only found in littoral and sublittoral environments? a) They need rocks for attachment, and rocks are not found in the deep-sea.
b) They need nutrients that are found only in the littoral and sub-littoral zones.
c) They cannot survive in clear waters offshore because of excessive solar ultraviolet radiation.
d) They require light to reach the ocean bottom, which only occurs in these two zones.
e) They need to live in an area where wave energy reaches to the seafloor, which only occurs in these two environments.
D
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An arrangement where a developing nation protects some forest area in exchange for debt relief or financial support from a developed nation is called
A. bankruptcy. B. a conservation easement. C. a land sale. D. a debt for nature swap. E. a conservation concession.
The modern view of uniformitarianism states that although processes have remained the same
through geologic time, rates have changed. Sometimes the term ________ is used for this modern view of uniformitarianism Fill in the blank(s) with the appropriate word(s).
Aquifers are ________
A) natural ponds and lakes B) the result of transpiration C) underground water reservoirs D) recharge lakes at water quality facilities E) oceans
Aspirin was first synthesized near the end of the 19th century. Chemists in which country first synthesized aspirin?
A) England B) France C) Germany D) the United States