This is known as aversion therapy. Here, a patient is concurrently exposed to a stimulus, typically an addiction, and some form of discomfort. The idea behind this is that the patient will associate the addiction with unpleasant experiences. In this way, it is hoped that the patient will overcome his/her addiction. This sort of therapy has taken many forms. The more common form is for example to paint unpleasant-tasting nail polish on one's nails to discourage nail chewing. More extreme forms include electric shock therapy.
The answer is sea stars. Sea stars can then push their stomachs out of the body while inserting it into the prey thus the food is being digested externally. Echinoderms are having 5 or at times multiple of 5 arms. Their shell is made of calcium carbonate.
B. Green
Chlorophyll is found in and around the photosystems embedded in the thylakoid membrane of the chloroplasts.
The chloroplasts are organelles found in eukaryotic algae. The chloroplasts in eukaryotic celss are contained in the cytoplasm together with other organelles.
<span>Since the chlorophyll is insided the chloroplast which is inside the cytoplasm, it is safe to say that the chlorophyll of the green algae is spread throughout the cytoplasm of its cells.</span>