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 ...
From left to right: Mercury, Venus, Earth, and Mars. A terrestrial planet is mostly made of rock (silicate) Earth is the original terrestrial planet. When astronomers started understanding the kinds of planet they extended the term to include our nearest rocky neighbours: Mercury, Venus and Mars.It is often said that they are similar to Earth. terrestrial planet is mostly made of rock (silicate) Earth is the original terrestrial planet. When astronomers started understanding the kinds of planet they extended the term to include our nearest rocky neighbours: Mercury, Venus and Mars. It is often said that they are similar to Earth.