If you want what it does it protects the cells from its surroundings, It's made of embedded proteins I believe. Hope that helped please answer my question.
Sharks, whales, and dolphins share similar features such as body shape and the position of fins. However, sharks have gills for breathing, while whales and dolphins have lungs. Sharks and dolphins are similar in construction because they need their parts to complete many of same functions.
For example:
The dorsal fins that are found in both shark and dolphin are due to convergent evolution and they are actually not from common ancestor.
I honestly think it Lymph,
Answer: Snails will become extinct.
Considering the sea gull feeds on snails leaving the shells anywhere, it would not be surprising that in the coming years to come, the species of snails will dwindle. Based on the digits given, if such scenario continues to happen, we will eventually lose our snails.
