According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:a
a sharp decrease in food supply.
b. a decrease in the intrinsic rate of increase for the wolf population.
c. competition with a newly introduced predator.
d. introduction of a disease organism.
e. cannot be determined from the data provided.
e
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Indicate whether the statement is true or false
Which of the following could be electron acceptors in anaerobic respiration?
A. nitrate or oxygen B. sulfate or oxygen C. lactic acid D. nitrate or sulfate E. All of the answer choices are correct.
Each time a diatom reproduces sexually, the size of the daughter cells decreases until diatoms are about 30% of their original size. At this point, they begin to reproduce asexually.
Answer the following statement true (T) or false (F)
Cody is 4 months old and is given a DTaP injection by his pediatrician as part of the routine immunization schedule. What type of immunity will develop as a result of this?
A. artificial passive immunity B. natural active immunity C. artificial active immunity D. natural passive immunity