Life On Earth at Life

Life On Earth. Microbial life forms have been discovered on earth that can survive and even thrive at extremes of high and low temperature and pressure, and in conditions of acidity, salinity, alkalinity, and concentrations of heavy metals that would have been regarded as lethal just a few years ago. In the beginning, survival was difficult for any life forms.

543 likes · 40 talking about this. The struggle started and soon after earth’s formation, organisms start appearing. The latter theory was known as the theory of spontaneous generation, which was discarded later.

Why Earth Was Never Really At Risk Of Being Hit By An

There were lots of hypothesis regarding the origin of life on earth. If the biosphere is the place where life is found, the biota (or the biomass as a whole) is the sum of all living forms: Life appeared 500 million years after the formation of earth, i.e., almost four billion years back. 2020 | pg | 1h 23m | science & nature docs.