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.
Answer: D
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Animal groups differ in the mechanisms by which heartbeats are initiated. Most arthropods have a
A. neurogenic heart while vertebrates have a myogenic heart. B. myogenic heart while vertebrates have a neurogenic heart. C. neurogenic heart while vertebrates have a cardiogenic heart. D. cardiogenic heart while vertebrates have a myogenic heart. E. autonomous heart while vertebrates have a neurally controlled heart.
Sebaceous glands are also known as
a. sweat glands. b. tear glands. c. digestive glands. d. oil glands. e. endocrine glands.
Organic compounds break down spontaneously in the presence of ____
a. oxygen b. nitrogen c. hydrogen d. water vapor e. carbon dioxide
Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called
A. mitotic growth. B. secondary growth. C. primary growth. D. herbaceous growth. E. vascular cambium growth.