Answer:
D. It controls the entry and exit of substances.
Explanation:
The cell membrane provides protection for the cell, transporting nutrients in and carrying toxic substances out.
four gametes are produced for every original cell
<span>The modification of a stem that provides storage is C. the corm. A corm is this small organ found in the stem of a plant that provides storage of resources for the plant to survive during harsh winter times or during hot summer days. Spine is what keeps the plant upright, whereas a twiner is a type of a plant that is also known as vine, as it is a climbing plant.</span>
Lymphatics of the skin travel in loose subcutaneous connective tissue and generally follow the routes of veins.
Hope this helps,
Davinia.