Answer:
A) Cytoplasm
B) Chloroplast
C) Plasma membrane
D) Cell membrane
E) Smooth endoplasmic reticulum & Rough endoplasmic reticulum
F) Cell wall
Explanation:
Look at the picture below
I believe the polysaccharide that provides rigidity and strength in plants would be cellulose. As this is one of the essential components found in the cell wall of plant cells.
Plasmolysis is the reason. The reason that the Elodea cell prevents from collapsing completely is that the Plasmolysis is the main reason because it always has water to keep it full. The answer in this question is Plasmolysis is the reason because it always has water to keep it full.
Disease, competition, and predation.
Vector: anything that transmits a disease.
Malaria vectors can include mosquitos, ticks, and other blood sucking insects.
P.S.: Hope I Helped :)