<span>is unable to stand up or walk, even if assisted</span>
I think the polymers are the hydrocarbons.
If this helped please mark me as brainliest.
The answer is:
Echinodermata
The word echinodermata is Greek which literally means "Spiny Skin". Echinodermata is a phylum under kingdom animalia. Not all of them have spiny skins, but most of them do. Other characteristics would be their radially symmetric body. They have appendages that grow outward from the center. Examples of echinoderms would be sea stars and sea urchins.
<span>a.) oyster
hope it helped
</span>