A _________ is a circular or U-shaped ridge around the mouth, bearing either one or two rows of ciliated, hollow tentacles.
Fill in the blank(s) with the appropriate word(s).
Lophophore or
lophophore
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Which of the following organisms cause
malaria?
a. a virus b. a bacterium c. an insect d. a fungus e. a protist
Traits with more than two distinct forms are ____
a. polymorphic b. dimorphic c. codominant d. heterozygous e. homozygous
Amniotes differ from earlier vertebrates by ____
a. their large size b. their three-chambered heart c. producing eggs in which the young can develop away from water d. the possession of a slimy skin e. having external scales
Imagine you are working for the Florida Public Health Department and you have been assigned the task of preventing malaria from spreading throughout the southern Everglades. Which of the following scenarios would have a chance of success?
A. devising an insect repellant that would prevent the Anopheles mosquito from biting a human host B. developing a vaccination that would prevent the ability of the merozoites to reproduce within the host's bloodstream C. spraying the edges of the Everglades with a pesticide that will kill mosquitos D. All of these scenarios would have a chance of success in preventing malaria from spreading throughout the southern Everglades.