EVERYDAY SCIENCE

Detailed explanation-1: -Final answer : The theory of Panspermia is also called Cosmozoic Theory.

Detailed explanation-2: -Cosmozoic theory of the origin of life was proposed by Richter:-Cosmozoic theory was given by Richter (1865) and supported by Arrhenius (1908). According to this theory life comes on the earth from heavenly bodies such as meteorites in the form of spores.

Detailed explanation-3: -Cosmozoic theory (theory of panspermia) was given by Richter which states that life on earth came from the outer space and crashed into the earth in the form of spores thereby spreading the spores and starting life.

Detailed explanation-4: -This theory was proposed by Richter and strongly supported by Arrhenius. According to this theory, life came from outer space in the form of spores which grew and evolved into different organisms.

Detailed explanation-5: -This theory proposed that life developed elsewhere in the universe and then arrived on earth. Microbial spores from space were supposedly brought to earth by asteroids or meteors; which jump-started life on earth. However, this theory states how life spread, not how life began.