Which of the following are adaptations of fluid feeders that feed on the blood of other

animals?



a. piercing and sucking mouthparts
b. production of anesthetic compounds
c. production of anticoagulants
d. all of these


D

Biology & Microbiology

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A frog loses its ability to undergo buccal pumping. What must happen to compensate for this loss?

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____ will inhibit the ability of pathogens to infect other cells.

What will be an ideal response?

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The degree of mental retardation in a Down syndrome fetus is predictable. Indicate whether the statement is true or false

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