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: All of these
Explanation: Cell membranes, never insulation, and hormones all require lipids to be made in some way or another!
Photosynthesis will result in gain of energy in an ecosystem
Answer:
I'd go for A since mitosis produces two diploid cells that are identical to each other and its parent cell where meiosis does not.
Explanation:
The body wall<span> of a star fish is made up of a thin cuticle, an epidermis with a single layer of cells, a thick dermis composed of connective tissue and a thin coelomic myoepithelial layer, which allows the longitudinal and circular musculature.</span>
