Scientific Theories and Hypotheses

Abiogenesis is a scientific theory which states that life arose on Earth via spontaneous natural means due to conditions present at the time. In simple words, a theory that states life came from non-living matter.

The definition Biological evolution, simply put, is descent with modification. This definition encompasses small-scale evolution (changes in gene frequency in a population from one generation to the next) and large-scale evolution (the descent of different... Show More