The mussel shells are eroding because the ocean is too acidic. More acidic oceans dissolve CaCo3 faster and change them into HCO3. There are 3 possible ways to help reduce mussel shell erosion bydisrupting the the equilibrium.

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.