Examine the grains of sand.
Because the waves are so gentle,
the sand deposited is super fine.
Every grain of sand is different,
like snowflakes are all different.
Rack is the name for the pieces of dead, broken marsh grass that has washed up on shore. Rack, with the help of the sea oats, holds the dunes in place.
Sandcastle competition between
plain sand and sand layered with rack in the battle against the ocean waves.
THE RACK WINS!
Sea oats spread roots out about 9 feet in all directions and hold the sand in place. Photo found on internet.
Georgia's Sea Shell is the Knobbed Welk. Photo found on internet.
The interior of a welk
can be seen in this
old broken shell.
months. During development the
embryos pass through larval stages and develop their first true shell with one post nuclear whorl.
sack when all the others escaped into the wild.
Compare
the size of these 4 baby welks laying next to a regular
straight pin.
.
Soft coral has millions of tiny polyps that live on plankton.