What advantage does bright coloration confer upon venomous fishes?
What will be an ideal response?
Bright colors in venomous fishes advertise the danger that these fishes pose to potential predators. Fishes, like many vertebrates, will learn from trial and error not to harass certain fishes. Perhaps this learned behavior is genetically imprinted, as it would surely be a selective advantage.
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What is the advantage of the proofreading function of DNA polymerase?
A. All DNA mutations can be detected and repaired during DNA replication. B. DNA polymerase is always present in the nucleus and can repair all mutations when they occur. C. DNA polymerase can be recruited to recently mutated sites to repair mutations. D. DNA polymerase can repair most mutations as they occur during DNA replication.
If an adult man and woman, both weighing 160 pounds, were stranded on a desert island with
no food, which individual would survive the longest on their body stores?
a. the man b. the woman c. impossible to tell d. There would be no difference because they have the same body mass
Which is the correct arrangement of cytoskeletal components, sorted by increasing width?
a. cilia, microfilament, microtubule, intermediate filament b. microfilament, cilia, intermediate filament, microtubule c. microfilament, intermediate filament, microtubule, cilia d. microtubule, cilia, intermediate filament, microfilament
The chytrid Batrachochytrium dendrobatidis is responsible for a disease that
a. is sexually transmitted in humans. b. has wiped out many species of frogs. c. infects wheat, rye, and other grain crops. d. is killing trees in temperate forests. e. kills millions of humans each year.