<span>The central nervous system
consists of the two major structures: the </span><span>brain <span>and </span></span>spinal cord. The brain is encased in the skull, and protected by the
cranium.[7]<span> <span>The spinal
cord is continuous with the brain and lies </span></span><span>caudally <span>to the
brain and is protected by the </span></span>vertebra. These are
connected by nerve to send signals. So a tract is not part of the central
nervous system.
(b) they are currently overfished :) hope this answer helps you
Answer:
Population
Explanation:
Population refers to the total number of all members of a species occupying a particular area or habitat or region at a given time. Populations are not static but change in size. Populations make up communities. Community comprise of populations of different species of plants and animals that coexist in a given area. Communities make up ecosystem. An ecosystem is a natural unit composed of living and non-living components whose interactions result in a stable self-supporting system. Ecosystems are generally categorized as either aquatic or terrestrial.
The light gets refracted, or split into it's different colors. White light is made up of the ROYGBIV colors. Hope this helps.
