The most common and largest roundworm encountered is:
a. Trichuris trichiura.
b. Strongyloides stercoralis.
c. Ascaris lumbricoides.
d. Necator americanus.
C
A. lumbricoides is the most common and the largest roundworm. The parasite has a worldwide distribution with higher prevalence in the tropical regions.
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Eutrophication
A. causes massive die-off of fish and invertebrates. B. is characterized by heavy surface algal blooms. C. occurs when there are excess nutrients in aquatic ecosystems. D. restricts the O2 supply to water below the surface. E. All of the choices are correct.
Most chordates are ________
A) invertebrates B) vertebrates C) insects D) None of the above
____ is the predominant photosynthetic product carried in phloem
a. Glucose b. Cellulose c. Sucrose d. Maltose e. Fructose
Compare and contrast the processes of oogenesis and spermatogenesis
What will be an ideal response?