The process of naming and grouping organisms is known as taxonomy. This naming system was started by Carolus Linnaeus. The system groups plants and animals by relationships and characteristics. Each organism is given a Latin name.
The digestive system is necessary for the body's health because it breaks down the food we eat into small pieces that can be absorbed by the body. Without the digestive system, we would not receive all of the nutrients from food.
It is B. Light because the moon shines when it reflects light from the sun. Many people believe that there is no gravity on the moon, but like every other large object in the universe, it attracts other massive objects gravitationally.
Hope this helped
