Epithelial cells protect tissues
They are pervasive and play many different roles in the marine environment, from being the base of the food chain, controlling much of the flow of marine energy and nutrients, and being essential to the ocean's health.
Bromothymol blue is an indicator for weak acids and bases.It is used to observe photosynthetic acvtivities and for respiratory indication.
Blue Bromothymol indicator will turn to green then to yellow when CO2 is added.When O2 is added, no effect is noticed in the Blue Bromothymol because Oxygen doesnot affect the pH.
In a summary, the color indication follows;
- Yellow-to indicate acidic
- Green-for neutral solutions
- Blue-for alkaline solutions.
one is adapted to live in a hot and dry environment and one is adapted to live in a humid environment.
