Tags » Mollusca
What are mollusks?
Anatomy (body parts):
background for adults:
In geometry class back in secondary school, there was one happy day, at least—the day we talked about the rhombus. The rhombus is a parallelogram in which the angles of the opposite sides are equal: diagonals drawn through the center of these angles will intersect each other at right angles in the center of the rhombus (see fig. 347 more words
This is the internal shell of spirula spirula, a cephalopod mollusc, or the ram’s horn squid. The live squid is rarely seen as it lives in the deep ocean; we only see its internal buoyancy organ. 6 more words