5,190
edits
Changes
Jump to navigation
Jump to search
mLine 1:
Line 1: − A '''sea urchin''' is a marine animal of the class Echinoidea, [[echinoderms]] that have a soft body enclosed in a round, symmetrical, calcareous shell covered with long spines.+
tense
'''Sea urchins''' are marine animals of the class Echinoidea, [[echinoderms]] that have a soft body enclosed in a round, symmetrical, calcareous shell covered with long spines.
[[Category:Echinoderms]]
[[Category:Echinoderms]]