Using the data in Figure 53-3, 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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Lakes with elevated dissolved nutrients and low water clarity are called
A. lotic. B. oligotrophic. C. eutrophic. D. pelagic. E. photic.
If a monohybrid cross results in 1:2:1 genotypic and phenotypic ratios in the offspring, then which type of inheritance
might be at work?
a. dominance b. incomplete dominance c. epistasis d. pleiotropy e. polygenic inheritance
What is the role of the large ribosomal subunits?
a. Binding to the mRNA b. Reading the mRNA c. Joining together amino acids to form a polypeptide chain d. Folding the amino acids into proteins
Many scientists do not consider viruses to be living organisms. Why is this?
a. because they are surrounded by a capsid b. because they cannot be killed c. because they are dependent on their hosts' metabolic machinery for replication