Sentence examples for first life forms from inspiring English sources

Bacteria were the first life forms on the planet, and we owe them everything.

With "Directed Panspermia," he prepared, in effect, an intellectual escape hatch, an alternative explanation for life should scientists in fact find it too hard to account plausibly for the remarkably rapid emergence of earth's first life forms.

It also led to new hypotheses about the history of the emergence of RNA on Earth and the possibility that RNA was the molecule that gave rise to Earth's first life forms.

The evidence summarized here suggests that the emergence of the first life forms required not the appearance of a single living molecule but the simultaneous coordination of many different components in a confluence of processes.

As in other areas of evolutionary biology, answers to questions on the origin and nature of the first life forms can only be regarded as inquiring and explanatory rather than definitive and conclusive.

Historically, viruses were discovered at a time when the conditions for a scientific investigation into the origin of life on Earth were met. Louis Pasteur had refuted the idea of continuous spontaneous generation in the 1860s and Charles Darwin had published his On the Origin of Species in 1859, which inevitably led to questions of how the first life forms had emerged.

Should we find a second form of life right here on our doorstep, we could be confident that life is a truly cosmic phenomenon.

As Pete Postlethwaite's character says in our, er, documentary, The Age of Stupid, "We wouldn't be the first life form to wipe itself out.

Cech's discovery led support to the idea that the first life form was RNA.

In 1914, the American psycho-physiologist Leonard Troland proposed that the first life form might have been an "enzyme or organic catalyst" (Troland 1914) although little later, he spoke of a "genetic enzyme" and identified it with nucleic acids and proteins in the nucleus (Troland 1917).

To address this question, we might go back to the first life form in the world.