C
A community is a group of animals that coexist in the same environment
<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.</span>
Answer:
6
Explanation:
If an IV has 4% salt, and the patient's cells have 6% salt are the patient's cells
hypotonic, isotonic or hypertonic compared to the IV? Will the cell swell, shrink,
or stay the same? Will the cell gain water, lose water, or no net gain or loss of
water?
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
