The answer is tunicates. Tunicates are commonly known as sea squirts and are in the Chordata phylum, even though they don't have a back bone. Which is really weird. But they just got put into the same category as humans. This is because they have a notocord and a back bone when they are larvae. But they lose all these when they become adults.
<span>An environmental factor that causes a population to decrease is death</span>
<span>Everything inside the cell including the nucleus is called the protoplasm. It consists of all organelles, the nucleus, and the cytoplasm. </span>
The answer is liver. It is located near the stomach and duodenum which makes it faster for the digested food to be transported there.