A community of plants and animals that live and interact together in a particular region is called an ecosystem.
primary division of the sea, which includes the whole mass of water subdivided into neritic and oceanic zones; also pertaining to the open sea (open water)
Answer: Classification\
Explanation:
Classification is the arrangement of organisms into orderly groups based on their similarities. In order to classify an organism, a biologist must use a system that groups organisms according to shared characteristics and their relationships between one another.
