The 2010 Dietary Guidelines for Americans recommends eating within the following ranges: 1  Carbohydrates: 45-65% of calories. 2  Fat: 20-35% of calories. 3  Protein: 10-35% of calories.
terrestrial. adjective. 1  Of or relating to the earth or its inhabitants. 2  Biology Living or growing on land or on or in the ground; not aquatic, arboreal, or epiphytic: terrestrial mammals; terrestrial apes; terrestrial orchids.3  Astronomy Similar to the planet earth in size or composition: terrestrial planets.4  Transmitted from structures on the earth and not ...djective. 1  Of or relating to the earth or its inhabitants. 2  Biology Living or growing on land or on or in the ground; not aquatic, arboreal, or epiphytic: terrestrial mammals; terrestrial apes; terrestrial orchids. 3  Astronomy Similar to the planet earth in size or composition: terrestrial planets. 4  Transmitted from structures on the earth and not ...
A terrestrial planet is a term used to describe the four planets in the solar system that are closest to the Sun, Mercury, Venus, Earth, and Mars. These four planets are composed primarily of rock and have solid surfaces. The word terrestrial is derived from the Latin word terra, meaning ground or soil.he four other major planets, Jupiter, Saturn, Neptune, and Uranus, in the solar system are referred to as gas planets or Jovian planets, after the planet Jupiter which is the largest planet in the solar system. The gas planets are much larger than the terrestrial planets and are composed mainly of gas and liquid.