What type of symmetry does a sand dollar have?

radially symmetrical

Explanation:

Sand dollars are radially symmetrical and have an internal skeleton but no backbone.

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label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.