"earth life" is a correct and usable phrase in written English.
It can be used to describe living organisms on Earth, for example: "There is a remarkable diversity of earth life on our planet."
On Earth, life exists in water and on land but, on a giant gas planet, for example, it might exist high in the atmosphere, trapping nutrients from the air swirling around it.
Down on earth, life is lived in Technicolor.
Early Earth life may have been based on RNA, a single-stranded form of DNA.
But don't tell me he's a carbon-based Earth life form.
However, the design of astrobiological experiments forces critical examination of the generality of assumptions derived from Earth life.
Several amino and hydroxy acids, familiar chemicals in contemporary Earth life, were produced by this simple procedure.
It explains that during the early 20th century, Mormon leaders taught that the priesthood ban was a direct consequence of blacks having been "less valiant" in their pre-earth life.
Humans are like dolls at the mercy of power when viewed from the perspective of nations, but they are by no means like dolls when seen from the viewpoint of down-to-earth life.
I wish I could also talk to Pedro Ivo (1987-2009), anofhis of hisiblingsgs and with him in the cover photo, but that will have to wait until I meet Pedro again in any post-earth life.
The paper also outlines threats that humans must address to maintain the journey of earth-life through time and space; and presents a broad range of activities designed to meet the threats and capitalize on important opportunities.
The Earth-Life Science Institute's research mission is to elucidate how Earth formed and how its early environment allowed for the origin of life and its subsequent evolution.
