Answer:
The protist that changes shape constantly and flows around its food to engulf it <u>Amoeba </u>
<u>amoeba</u><u> </u><u>is </u><u>the </u><u>answer </u>
<u>maybe </u><u>I </u><u>think</u><u> </u><u>this </u><u>might </u><u>be </u><u>the </u><u>correct</u><u> </u><u>answer</u>
Circle - Phosphate group
Rectangle - Nitrogen base
Middle - Pentose sugar
Explanation:
A. 2
1250