How much biomass in tropical coral reefs is attributed to the coral alone?
a. 15%
b. 30%
c. 50%
d. 75%
ANS: D
There is a great deal of participation by other organisms in coral reefs. The biodiversity is high. Fish
and calcareous algae are just some of the other residents in a coral reef. Information can be found in
the section Examples of Marine Communities
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The fastest growing solid waste problem in the United States and the world is ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true about the equinoxes?
occur in June and December the Sun's vertical rays are striking either the Tropic of Cancer or the Tropic of Capricorn Days and nights are equal in length everywhere the length of daylight at the Arctic and Antarctic Circles is 24 hours
Rising GHGs in the 21st century most confidently predict
A) increases in global temperatures and sea levels. B) decreases in polar temperatures but increases in sea levels. C) decreases in sea levels but increases in polar temperatures. D) increases in ocean pH and increases in sea levels.
?Visible light is an example of electromagnetic radiation.
Answer the following statement true (T) or false (F)