
que wea mas cierta…

Coral sand by David Maitland, United KingdomThe hard defensive calcarious structures (spicules) incorporated within the bodies of many soft-bodied marine invertebrates including Gorgonian corals, Sponges and Hoiothuria accumulate as “coral sand” on the sea floor and form a major constituent of many tropical white sandy beaches’.
Gatos domésticos na natureza.





