sophiegonzalez38 sophiegonzalez38

12-10-2020
Biology

contestada

what type of skeleton for sponges, cnidarias, roundworms, annelids, mollusks, arthropods, echinoderms, and vertebrates.

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krazecat krazecat

12-10-2020

Answer:

Endoskeleton

Explanation:

An internal skeleton is called an endoskeleton, which is what vertebrates have. A sponge endoskeleton consists of short, sharp rods called spicules

Spicules are made of silica, calcium carbonate, etc.

Answer Link

savannahbenenhaley savannahbenenhaley

12-10-2020

endoskelton jsgsgwunwbdvdywhwnnddj

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