what happened to the urchin population? part 1 what phenotypic variations do you see among the urchins at your table?

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19-12-2022
Biology

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what happened to the urchin population? part 1 what phenotypic variations do you see among the urchins at your table?

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rafikiedu08 rafikiedu08 · Answer 1 · 2022-12-22T00:02:14-05:00

The urchin population has devastated kelp beds that supported abalone.

As a result of rising waters causing a sickness that killed its natural predator, the starfish, the population of purple sea urchins on the north shore has multiplied. The abalone was supported by the kelp beds, which the urchins have now destroyed.

Echinoderms of the class Echinoidea include the spiny, spherical sea urchin. Every ocean's seafloor is home to about 950 different species of sea urchins, which can be found in all depths from intertidal to 5,000 meters. The 3 to 10-cm-in diameter, spiky, spherical sea urchins have robust, spherical shells. The slow-moving sea urchins propel themselves with their spines in addition to their tube feet. Sea urchins eat sessile (slow-moving) creatures in addition to their regular diet of algae.

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