Answer:
xerophytes is a species of plant that has adaptations to survive in an environment with little liquid water such as a desert,ice or snow covered region.
examples are; pineapple and gymnosperm plants.
What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
B. It is False
hope this answers your question : )
Vitamins. A lot of coenzymes are derivatives os vitamins especially B vitamins.
Hope this helps:)