The genus Sinitrofulgur includes whelk species that prey on Mercenaria bivalves. Which statement best illustrates an evolutionary arms race in the fossil record of these taxa?
The genus Sinitrofulgur includes whelk species that prey on Mercenaria bivalves. Which statement best illustrates an evolutionary arms race in the fossil record of these taxa?
Chapter24: Animals Ii: The Chordates
Section: Chapter Questions
Problem 5SA: A divergence from ________ gave rise to tetrapods. a. ray-finned fishes c. cartilaginous fishes b....
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The genus Sinitrofulgur includes whelk species that prey on Mercenaria bivalves. Which statement best illustrates an evolutionary arms race in the fossil record of these taxa?
A. Over the same time period that the Mercenaria were evolving a thicker shell, their predators were also increasing in size.
B. The Merceneria bivalves evolved lighter body sizes to better elude their predators which developed faster moving foot muscles.
C. The whelks adapted to change the typical positions they assume when attacking their prey and competitors.
D. The Sinitrofulgur specimens featured cracks in their shells as they become prone to injury when penetrating the thicker shells of the bivalve prey.
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