Parasitism is a density-independent factor of population control
Indicate whether the statement is true or false.
ANS: F, dependent
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Which of the following is not true of anaerobic respiration?
A. It utilizes an electron transport system. B. It involves glycolysis. C. It uses the same final electron acceptor as aerobic respiration. D. It generates some ATP.
Within each muscle fiber are hundreds or thousands of cylindrical structures that runs the entire length of the muscle fiber. These are called
a. myofibrils
b. sarcolemmas
c. myofilaments
d. sarcomeres
A and B antigens in human blood are produced by the conversion of ________ by the addition of a sugar group
A) anti-A and anti-B antibodies B) the H antigen C) hemoglobin D) ?-N-acetylgalactosamine E) anti-O antibodies
A newly evolved species may take over an ecological role or ecological niche that is already occupied, provided that
the new species has:a. the ability to alter or change the environmental parameters. b. fitness that is almost as high as the fitness of the original species. c. the ability to grow to a larger size, thus providing it with a selective advantage. d. features that make it competitively superior to the original occupant of that niche. e. the ability to evolve through natural selection, as opposed to the original occupant, who cannot continue to evolve.