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 ...
Terrestrial and telluric are from the Latin words for Earth (Terra and Tellus) because these planets composition is similar to that of the Earth. The four terrestrial planets are (in order of distance from the Sun): Mercury, Venus, Earth, and Mars.Other than Earth, it is believed that the conditions on Mars are the most hospitable for life. It may have had life there in the past, and there may still be life on Mars today. terrestrial planet, also known as a telluric planet or rocky planet is defined as a planet that is composed primarily silicate rocks or metals.