Based on your knowledge of the life history of Plasmodium vivax, suggest two methods for controlling malaria. Explain why each method would work.
What will be an ideal response?
(a) Kill the mosquito population using insecticides or biological controls. The female mosquito is the vector for the disease-causing organism, so kill the vector and the disease will not be transmitted.
(b) Breed and release sterile males to prevent the production of offspring.
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What do scientists use to apply cladistics?
a. homologous traits b. homoplasies c. analogous traits d. monophyletic groups
Which of the following is an example of a
cartilaginous joint? a. skull plates b. humerus to the scapula c. leg bone connected to the hip bone d. teeth connected to the jaw e. two vertebrae together
Which characteristic distinguishes eukaryotes from other organisms?
a) the ability to conduct photosynthesis b) cells with nuclei encased within membranes c) the presence of nucleic acids d) tissues organized into organs
One of the buffers that contribute to pH stability in human blood is carbonic acid (H2CO3). Carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (HCO3-) and a hydrogen ion (H+), as noted below
If the pH of blood increases, one would expect _____. A) a decrease in the concentration of H2CO3 and an increase in the concentration of HCO3- B) an increase in the concentration of H2CO3 and a decrease in the concentration of HCO3- C) a decrease in the concentration of HCO3- and an increase in the concentration of H+ D) an increase in the concentration of HCO3- and a decrease in the concentration of OH- E) a decrease in the concentration of HCO3- and an increase in the concentration of H2CO3 and H+