Explanation:
\begin{tabular}{
\hline Classes & \begin{tabular}{l}
Common \\
Name
\end{tabular} & \begin{tabular}{l}
Major \\
Pigments
\end{tabular} & \begin{tabular}{l}
Stored \\
Food
\end{tabular} & Cell Wall & \begin{tabular}{l}
Flagellar \\
Number and \\
Position of \\
Insertions
\end{tabular} & Habitat \\
\hline Chlorophyceae & \begin{tabular}{l}
Green \\
algae
\end{tabular} & \begin{tabular}{l}
Chlorophyll \\
$a, b$
\end{tabular} & Starch & Cellulose & \begin{tabular}{l}
$2-8$, equal, \\
apical
\end{tabular} & \begin{tabular}{l}
Fresh water, \\
brackish water, \\
salt water
\end{tabular} \\
\hline Phaeophyceae & \begin{tabular}{l}
Brown \\
algae
\end{tabular} & \begin{tabular}{l}
Chlorophyll \\
a. $c$, \\
fucoxanthin
\end{tabular} & \begin{tabular}{l}
Mannitol, \\
laminarin
\end{tabular} & \begin{tabular}{l}
Cellulose \\
and algin
\end{tabular} & \begin{tabular}{l}
2 , unequal, \\
lateral
\end{tabular} & \begin{tabular}{l}
Fresh water \\
(rare) brackish \\
water, salt \\
water
\end{tabular} \\
\hline Rhodophyceae & \begin{tabular}{l}
Red \\
algae
\end{tabular} & \begin{tabular}{l}
Chlorophyll \\
$a, d$, \\
phycoerythrin
\end{tabular} & \begin{tabular}{l}
Floridean \\
starch
\end{tabular} & \begin{tabular}{l}
Cellulose, \\
pectin and \\
poly \\
sulphate \\
esters
\end{tabular} & Absent & \begin{tabular}{l}
Fresh water \\
(some). \\
brackish \\
water, salt \\
water (most)
\end{tabular} \\
\hline
\end{tabular}