Dybdahl and Lively conducted a survey of the proportion of a particular asexual snail clone in a population and the degree to which this clone was infected with a particular parasite
What prediction of the red queen hypothesis do the survey results appear to mirror?
a. a correlation between parasite load and sexual reproduction
b. oscillations in the relative frequency of asexual strains when parasites are present
c. the emergence of host defense is synchronously tracked by parasite re-sponse
d. a general decline of asexual lineages in the presence of parasites
B
You might also like to view...
Tight junctions between muscle cells help muscle tissue function as a unit
Indicate whether the statement is true or false.
The bulging of a(n) _____ during the contraction of the ventricles is referred to as the _____
a. arteriole; pulse b. artery; blood pressure c. arteriole; blood pressure d. artery; pulse e. vein; pulse
Which of the following is NOT altered within seconds to minutes of the baroreceptor reflex being activated?
A) venomotor tone B) total peripheral resistance C) stroke volume D) blood volume E) heart rate
Which of the following Streptococcus pyogenes virulence factors kills leukocytes and erythrocytes?
A) streptolysins B) pyrogenic toxins C) streptokinases D) the hyaluronic acid capsule E) C5a peptidase