The greatest threat to the Florida manatees is
a. loss of habitat.
b. human predation.
c. being mauled or killed by boats.
d. stranding in thermal plumes of power plants.
e. disease from urban runoff.
C
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Alcohol is not a nutrient but provides __________ calories per gram.
Fill in the blank(s) with the appropriate word(s).
The force necessary to fill the lungs in a mammal is provided by the
A. diaphragm. B. intercostal muscles. C. buccal muscles. D. diaphragm and buccal muscles. E. diaphragm and intercostal muscles.
Which of the following does not pertain to helminths?
A. Parasitic worms B. Have organ systems C. Eggs and sperm used for reproduction D. Often alternate hosts in complex life cycles E. Members of Kingdom Protista
Which of the following studies would lie outside of an ecologist's skill set?
A. Studying the progression of an outbreak of HIV in sub-Saharan Africa. B. Developing a management plan for the preservation of an endangered species. C. Management plan to clean up a section of the Mississippi River that has become polluted due to sewage discharge. D. Proposal to develop a solar power field on the edge of a major urban area. E. All of these are part of an ecologist's skill set.