You are doing field work on a small, uninhabited island. You are supplementing your food supply with fish that live in some of the ponds on the island. You catch a brightly colored fish with red and black stripes, filet it, pan fry it, and spit out your
first bite because it tastes like it had been soaked in urine. Back at camp, your guide from a nearby island is pan frying fish with red and black stripes he caught in an adjacent pond. When you tell him not to eat those, he smiles and says these are the best-tasting fish in the whole island chain! You look closer and see the pattern of the red and black stripes is just a little different from the fish you caught.What principle of ecology have you just experienced firsthand?
A) Batesian mimicry B) commensalism C) mutualism D) Müllerian mimicry
Answer: A
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What would be most likely to occur if one of a man's testicles failed to descend (drop into the scrotum)?
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Multiple hydrogen bonds together stabilize proteins into a spiral structure called a ____
a. water lattice
b. alpha helix c. chemical groups d. delta minus e. delta plus
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