Answer:
Adolesence is the period following puberty where one develops from a child to an adult. They changes that occur are involved with puberty and include growth of sexual organs, menstruation, and an assortment of chemical changes in the brain. It typically occurs from age 9 throughout the teenage years.
Many unicellular organisms live in bodies of water and must move around to find food. Most often, they must obtain nutrients by eating other organisms. Plant-like protists, and some types of bacteria, can make their own food through photosynthesis.
