A barrier built at a right angle to the beach for the purpose of trapping sand that is moving parallel to the shore is called a(n) ________
Fill in the blank(s) with correct word
groin
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____ occurs when a population is too small to sustain its role in biological communities.
A. Ecological extinction B. Local extinction C. Biological extinction D. Natural selection E. Speciation
Since genetic engineering (GE) is limited to the transfer of genes between similar species, the main benefit of GE is that it greatly shortens the time to produce desirable characteristics.
Answer the following statement true (T) or false (F)
What type of bond connects the fatty acid to sphingosine in sphingolipids?
A) amide B) ester C) ether D) none of these
Which of the following best matches the description?The view that a healthy relationship with the environment relies upon a spiritual oneness with the earth.
A. deep ecology B. preservation ethic C. Henry David Thoreau D. Rachel Carson E. conservation ethic F. morals G. Ralph Waldo Emerson H. John Muir I. development ethic J. Aldo Leopold K. environmental justice L. ethics M. industrial ecology