Together with the sacrum and coccyx, the pelvic girdle forms a bowl‐shaped region, the pelvis, that protects internal reproductive organs, the urinary bladder, and the lower part of the digestive tract.
In medusae, mesoglea comprises the bulk of the animal and forms a resilient skeleton. In polyps, the water-filled coelenteron acts as a hydrostatic skeleton, which, in concert with the mesoglea, maintains the form of these animals. Muscles in cnidarians are extensions of the bases of ectodermal and endodermal cells.
Intertidal zone on a rocky shore, with plants and animals typically found there. The intertidal zone is the area of the marine shoreline that is exposed to air at low tide, and covered with seawater when the tide is high.
A is yours answer I think
<span>The endoplasmic reticulum assembles components of the cell membrane. And because the question states that it has ribosomes attached to it, the answer would be the rough endoplasmic reticulum.</span>
