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 planets are Earth-like planets (in Latin, terra means Earth) made up of rocks or metals with a hard surface â making them different from other planets that lack a solid surface.ot all planets are terrestrial. In our solar system, Jupiter, Saturn, Uranus and Neptune are gas giants, also known as jovian planets. It's unclear what the dividing line is between a rocky planet and a terrestrial planet; some super-Earths may have a liquid surface, for example.