Answer:
the answer is c.
oceanic acidification is occurring, which results in shelled creatures, clams, lobster, to have weaker shells as a defense. the shells break easily and are too weak to protect the organisms inside, unable to properly calcify their shells leaves them vulnerable to preditors...
The following of what? It sounds like there is more than one answer.
The tissue is identified as skeletal muscle tissues. These muscle tissues are long, cylindrical, striated, multi nucleate cells and are arranged parallel to each other
Skeletal muscle is one of three major muscle types other than the cardiac and smooth muscle. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.
The pyloric sphincter is compose of smooth muscle and is located between the pylorus in the stomach and duodenum of the small intestine. In digestion, it serves as a valve controlling the flow of food thus it prevents the contents of small intestine backing up into the stomach.