Myelin sheaths are found on the outside of nerve cells. They protect the sensitive axons underneath like how insulation protects wires.
When plants undergo transpiration, they are returning water back to the atmosphere.
Answer:
"Brachiopoda"
Drosal and ventral valves; Individuals resemble clams; May have no anus
"Bryozoa"
Possesses a chitinous zoecium; Anus opening near mouth; Colonies resemble moss
