Which of the following pairs of traits represents analogous characteristics?
A) sparrow wings and penguin wings B) trout fins and frog legs
C) bat wings and whale fins D) bat wings and dragonfly wings
Answer: D
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The T. solium organism, which causes cysticercosis and can grow to be 1.5 to 8 meters long, contains 7 to 13 lateral uterine branches along the proglottid. The intermediate host is:
a. dogs. b. cats. c. pigs. d. cattle.
Which of the following evidence obtained from fossil studies is generally accepted as marking the beginning of the hominids?
A. large brain development B. walking upright C. bipedalism D. development of lower limbs longer than forelimbs E. manufacture and use of tools
Four of the five answers listed below are participants in photosynthesis. Select the exception
a. photosystem b. chlorophyll c. mitochondrion d. chloroplast e. thylakoid membrane
The most definitive test to diagnose a helminth infection is
A. a good medical history of the patient, including recent foreign travel. B. an ova and parasite smear for microscopy. C. a serological test for the presence of anti-helminthic antibodies. D. a blood cell count to look for elevated levels of eosinophils.