Cyclical parthenogenesis is a form of:
a. heterogony.
b. asexual reproduction.
c. obligate sexual reproduction.
d. obligate asexual reproduction.
e. A and B.
A
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Which of the diagrams below best depicts the flow of carbon between primary producers, consumers, and decomposers?
A. primary producers consumers decomposers B. consumers primary producers decomposers C. decomposers consumers primary producers
Which of the following cell types is long lived and continues to produce antibody?
a. cytotoxic T cells b. memory B cells c. T helper cells d. plasma cells
e. macrophagesIn your analysis of a new bacterial species, you gram stained the bacteria and observed them under the microscope. The bacteria appear to have a round shape and a pink color. Based on this information, you would classify these bacteria as
A. Gram-positive spirilli. B. Gram-negative bacilli. C. Gram-positive bacilli. D. Gram-positive cocci. E. Gram-negative cocci.
Which of the following is NOT characteristic of most parasites:
a. they are specialist and usually are able to affect only one variety of hosts. b. they inflict serious injury and kill their hosts. c. some reside inside their hosts, whereas others live outside their hosts. d. their host may be a plant as well as an animal e. parasites are smaller than their hosts