The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.
B. Sunlight doesn't reach the bottom of lakes..
Answer:
I believe this is the Biceps femoris
Explanation:
Lactic acids fermentation happens in our muscle cells when we are exercising feverishly while alcoholic fermentation is used in yeast cells and is what leads to beer bread and wine.