Biology, 14.05.2021 18:30 Arealbot

Purple Sea Urchin is distinguished by what characteristics? (Pick two) * 10 points
Longer spines on top and smaller flat spines below
Purplish spines are sharp cones above and flattened paddles underneath
Yellowish spines are sharp cones above and flattened paddles underneath
Transparent spines are sharp cones above and flattened paddles underneath

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Purple Sea Urchin is distinguished by what characteristics? (Pick two) * 10 points
Longer spi...