Answer:
Moving things in and out of the cell is an important role of the plasma membrane. It controls everything that enters and leaves the cell. There are two basic ways that substances can cross the plasma membrane: passive transport, which requires no energy; and active transport, which requires energy.
Father: XY
Mother: XX’
The father is normal, while the mother is a carrier.
<span>The ecosystem has land but with high sea levels</span>
