Why are mussels at a disadvantage if they spend time exposed to sunlight

For this question it is important to note that, mussels feed by filtration. They suck water through their gills and separate plankton from water and other unwanted materials. ... Therefore, mussels a disadvantage if they spend time exposed to sunlight because they will miss opportunities to feed.

They will miss opportunities to feed.

Explanation: ur welcome

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.