The anser is d the what i think tell me if yis righry
<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Therefore the answer is B. </span>
Well, it's obvious, because without a transport system, cells wouldn't have the nutrients and things they needed!! And waste wouldn't be able to circulate out of cells.
Answer:
Phospholipid bilayer cell membrane.
Explanation:
I believe you’re referring to tides