A floodplain is an area adjacent a stream or river that experiences flooding during periods of high discharge. These ecosystems can be very rich in both quantity and diversity of organisms and can contain up to 1,000 times more species than a river. Many floodplains have been compromised by the construction of levees, pollution, and the draining of wetlands and marshes. A restoration project that focuses its efforts on the removal of levees and the improvement of water quality, is a plan focused on
A. restoration of ecosystem functioning.
B. restoration of species.
Answer: A
You might also like to view...
A Punnett square is used to determine
(a) probable gamete genotypes. (b) possible parental phenotypes. (c) possible parental genotypes. (d) possible genetic outcomes of a cross.
Sucrose is considered a disaccharide because:
a. It has three or more simple sugar subunits. b. It has two simple sugar subunits. c. It has ten simple sugar subunits.
Put the following steps of bacterial replication in the correct order, starting from a parent cell.
1. Cell elongation 2. Septum formation 3. Chromosome replication 4. Separation of daughter cells
Imagine that you have been transported light years away to another planet with water-filled oceans. This distant planet has a barometric pressure of 1,000 mmHg at sea level and air that contains 15 percent O2. Would you take in much more oxygen, much less oxygen, or about the same amount of oxygen per breath on this planet as you would on Earth?
A. About the same amount of oxygen as on Earth B. Much more oxygen on the distant planet C. Much less oxygen on the distant planet