You are examining an ecosystem of smooth cordgrass (Spartina altemifiora) and ar

Question

You are examining an ecosystem of smooth cordgrass (Spartina altemifiora) and are examining the herbivores that are feeding on it. You observe that the herbivores move up and down the Spartina throughout the day, feeding at a high part of the grass at one point and then the lower portion of the grass six hours later (a cycle that continues throughout the day) Hints The herbivore is the marsh periwinkle, and it migrates up and down the stems of Spartina to access the salt pans in order to feed The herbivore is the marsh periwinkle, and it migrates up and down the stalks of Spartina to stay above the tideline where it will remain out of the reach of predators The herbivore is the marsh periwinkle, and it migrates up to the top of the stalks of Spartina to avoid predation by herons or gulls. O The herbivore is the marsh periwinkle, and it migrates up and down the stalks of Spartina to reach the freshest parts of Spartina. The herbivore is the marsh periwinkle, and it migrates down the stalk to feed on the roots of the Spartina under the cover of high tide. Submit My Answers Give Up

Explanation / Answer

option b- the herbivore is the marsh periwinkle and it migrates up and down the stalks of Spartina to stay above the tideline where it remain out of the reach of predators.

At high tide it is found up on the palnts above the water line , and as the tide falls it moves down the palnts.

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