A(n) __________ is an area where all precipitation drains into a specific waterway. Fill in the blank(s) with the appropriate word(s)
ANSWER: watershed
You might also like to view...
Why has the development of iPS cells been viewed as a major breakthrough in the development of stem cell therapies? Select all correct choices
A. It allows us to develop pluripotent stem cells without the ethical issues involved in obtaining them from human embryos. B. It may ultimately allow us to obtain stem cells from any individual - we can match the patient to the tissue. C. It is easy and inexpensive. D. It is a proven technique that we will be able to move into clinical trial very quickly. E. It will allow us to "grow" new organs very quickly.
Meningococcemia is
A. best treated with penicillin G. B. started from a nasopharyngeal infection. C. associated with vascular collapse, hemorrhage, and petechiae. D. caused by a gram-negative diplococcus. E. All of the choices are correct.
The structure of sharks, perch, and whales are an example of
A. convergent evolution. B. adaptive radiation. C. closely related animals. D. polyploidy.
Which variable is not a density-dependent factor?
A. a red-tailed hawk preying upon a population of field mice B. competition between two male deer for territory C. an early cold spell that causes the plants in a given area to die off earlier than normal D. smallpox outbreaks during the 1800s