Bipedalism is a form of terrestrial locomotion where an organism moves by means of its two rear limbs or legs.
(ostrich, human etc. )
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.
The extra step of dissolving the nucleus is needed during DNA replication in a Eukaryota cell, whereas bacteria are prokaryotic and therefore don't have a nucleus so they don't need the extra step. Hope this helps! ^0^ ;)
