Which of the following preservation tactics would have the greatest impact on saving the largest number of species?
A. preserve a large tract of land that contains source populations of flagship species
B. preserve multiple small tracts of land that each contain source populations of keystone species
C. preserve several small tracts of land that contain source populations of keystone species
D. preserve a large tract of land that contains source populations of keystone species
E. preserve a large tract of land that contains sink populations of keystone species
Answer: D
You might also like to view...
How did Bayliss and Starling demonstrate that the small intestine secretes chemical signals that stimulate the pancreas to respond to acid?
B. They exposed a dog's small intestine to a cell extract made from a second dog's small intestine that had been exposed to acid. C. They cut out a piece of the small intestine and exposed it to acid. D. They injected pancreatic secretions from a dog previously exposed to acid into the small intestine of a second dog. E. They injected acid into the pancreas after removing all of its innervation.
Only ________ available in a particular trophic level is passed to the next trophic level
a. 10% of the energy b. kinetic energy c. 30% of the energy d. potential energy
The primary immune response is characterized by:
A. induction by one dose of antigen B. a long lag period C. Low levels of antibody produced D. waning rapidly E. all of the above
When our oil supply is depleted, a new material will need to be used to produce __________
A- glass B- paper C- plastic D- aluminum E- cardboard