A table listing such items as age, observed number of organisms alive each year, and life expectancy is known as a (an)
A) life table.
B) mortality table.
C) survivorship table.
D) rate table.
E) insurance table.
Ans: A) life table.
Biology & Microbiology
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Which of the following groups consists primarily of anaerobic organisms that cause disease?
a. Excavates b. Dinoflagellates c. Archaeplastida d. Diatoms e. Ciliates
Biology & Microbiology
All gametes contain :
a. two chromosomes. b. two identical sets of chromosomes. c. two different sets of chromosomes. d. one chromosome. e. one set of chromosomes.
Biology & Microbiology
In a chromosomal inversion, a segment of a chromosome is:
a. reversed. b. duplicated. c. lost. d. attached to a nonhomologous chromosome. e. deleted.
Biology & Microbiology
Characteristics of good antigens include all of the following EXCEPT ______.
A. large, repetitive molecules B. exotoxins C. whole cells D. viruses
Biology & Microbiology