According to the Big Bang theory, the universe was once very dense and is now expanding.
They re called granum singular and grana plural
That would be PH and Salinity and Temperature
DNA mutations that actually originate in the gametes is mainly responsible for genetic biodiversity existing in modern organisms. The term biodiversity actually refers to the variety as well as variability of life that is found on the planet earth. his variety can be seen between species, the ecosystem and within the species.<span />