Assertion: sand dollar's skeleton | /r/Synonym | test
Facets:
Source sentences:
text: The creatures have a firm skeleton called a test.
text: Sand dollars has a rigid skeleton known as a "test", but these are not backbones
text: The skeleton (test) of a dead one is smooth, without any spines, and the details of skeleton can be seen more clearly.
text: When the skeletons (called tests) of dead sand dollars wash ashore, they are usually bright white from being bleached by the Sun.
text: Sea urchins have an internal skeleton (called the test) that is a rigid, hollow sphere.
text: Sand dollars, like all members of the order Clypeasteroida, possess a rigid skeleton called a test.
text: All sea urchins are roughly circular in shape and have a hard skeleton called a test.
text: The skeleton is called a “test” and it is this sun-bleached skeleton that beachcombers find.
text: The skeleton is called a “test” and it is this sun-bleached skeleton that beachcombers find.
text: All sand dollars have a rigid skeleton called a “test” (no, not the kind you find in a classroom) and are covered in a skin of velvet-like spines, which help move them along the seabed.
text: All sand dollars have a rigid skeleton known as a test.
text: The skeleton of a marine animal like a sand dollar is also known as a test.
text: All sand dollars have a rigid skeleton known as a test.
text: All sand dollars have a rigid skeleton known as a test.
text: That skeleton — also known as a test — is really a tool, a remarkable feat of engineering that allows sand dollars to thrive on the shifting bottom of the sandy seafloor, an environment that most other sea creatures find inhospitable.
text: As they mature, the skeleton (test) starts to develop and from this point, sand dollars become benthos organisms, meaning that they live in or near marine sedimentary seabeds.