A form of symbiosis in which one participant benefits and the other apparently is not benefited nor harmed is
a) mutualism.
b) commensalism.
c) parasitism.
d) coevolution.
e) symbiosis.
Answer: b) commensalism.
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Most nutrient absorption takes place in the (select all correct choices):
A. duodenum. B. jejunum. C. ileum. D. colon. E. appendix.
Exchange of materials between blood and tissues depends upon ____
a. high capillary blood pressure b. high capillary resistance c. lack of capillary pores d. slow capillary blood flow e. active transport processes
Which of the following allergies and treatments is mismatched?
A) allergic asthma: inhaled drugs that open up the bronchi B) insect bite/sting allergy: continued preemptive treatment with an injected antibody preparation that ties up the patient's IgE antibodies C) food allergy: managed on a contact basis using antihistamines like Benadryl D) anaphylaxis: epinephrine may be administered and emergency medical care must be sought E) atopic dermatitis: usually treated topically with ointments that may contain steroid anti-inflammatory drugs
What thermoregulation process can be sustained for the longest period of time?
A. Fever B. Contraction of blood vessels in skin C. Shivering D. Sweating E. Hibernation