Answer:
Porifera or Sponges
Explanation:
Porifera is the phylum of the simplest multicellular marine animals. Their body is composed of two cell layers (something like tissues) and mesophyl between them. The body is in direct contact with surrounding water through the large number of pores and channels. What makes Sponges so simple is that their cells are unspecialized and that they don't have nervous, digestive or circulatory systems.
Answer:
A. DNA creating mRNA which is used to make a polypeptide
Explanation:
Protein synthesis process involves the DNA creating mRNA, which is used to make a polypeptide.
They replicate fast - producing more of the useful proteins such as the hormone insulin.
