In frog, the vertebra with an anterior convex surface (i.e., double convexties) is
atlas
urostyle
8th vertebra
9th vertebra
Mannitol is reserve food in
Rhodophyceae
Chlorophyceae
Phaeophyceae
Xanthophyceae
C.
Phaeophyceae
Class Phaeophyceae includes brown algae Brown algae are marine plants. Chief pigments found in the members of this class are chlorophyll a and c -carotene, violaxanthin, fucoxanthin, lutein, diatoxanthin. Reserve food is laminarin, mannitol and oils.
The first phylogenetic system of plant classification was proposed by
Engler
Engler and Prantl
Eichler
Wetlstein