Answer:
sepals
Explanation:
sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom.
Answer:
Cell is the smallest and function unit of living organism.
Explanation:
It is the basic unit of life.
Ok so basically this is not a very cash money question *DABS*
Answer:

Explanation:
B-cells engulf an antigen by endocytosis.
<u>Endocytosis:</u>
The process by which cell takes up external materials by fusing them with plasma membrane is called endocytosis.
After engulfing the antigen, B-cells become sensitive to the pathogen.
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Hope this helped!
<h3>~AH1807</h3>
The highlands are the oldest lunar features.