predators, since it is rich in biodiversity
The answer is Echinoderms, which include starfish, sea urchins, sea cucumbers, and sand dollars.
The word Echinoderm is derived from Greek words which mean spiny skin. Their skin usually has spines which can be sharp and pointed out in different directions. The spines offer to echinoderms protection from predators.
Answer: The phrase 'composed of a membrane' best critized the definition
Explanation:
Not all cells are composed of membranes. Prokaryotic cells are found in unicellular organisms, they are with a single chromosome, no nuclear envelope, no membrane-bounded organelles.
Thus, the absence of membrane in the organelles of Prokaryotes like bacteria and cyanobacteria, invalidates and also critized the above definition.
