<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes.
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I think its 4 hope that helped
Structures that are common to all cell types:
* Plasma membrane
* Cytoplasm
* DNA
* Ribosomes
Functions:
* Plasma membrane provides protection to cell
* Cytoplasm holds components of cell and protects from damage
* DNA stores information for making proteins
* Ribosomes decode and form peptide bonds
They lack true tissues and organs and have no body symmetry. hope it helps
