answersLogoWhite

0

1) They belong to the phylum Echinoderms.

2) They are organisms that have a single flat calciferous bonny structure called the test.

3) They can borrow under soft sands and muds.

4) Tey feed on crustacean larvea and other organic matters.

5) There are seperate female and male sand dollars.

6) They reproduce by external fertilization.

7) At larval stage the sand dollars have no test.

User Avatar

Wiki User

11y ago

What else can I help you with?