The answer is serotonin. Serotonin is a significant chemical neurotransmitter in the human body. Serotonin that is used in the brain must be made within it. It is believed that serotonin can touch mood and social performance, hunger and ingestion, slumber, reminiscence and sensual desire and purpose.
Euglenoid chloroplasts are surrounded by nuclear membrane
The answer is B. This is because baby dolphins, when born, can't really comprehend a lot of things yet, so they, and the more adult dolphins there, try to get to the surface of the ocean to take a breath. :D I hope I helped!
The function of a fruit with seeds is seed dispersal. There's no way a fruit could disperse seeds, if it didn't actually have a seed or seeds at some point. Fruits develop from the ripened ovaries of plants, once the ovule (egg) or ovules inside the ovary has been fertilized.
