A zygote (single diploid cell) divides over a period of three week time period and transforms into a larva. An embryo goes through the phases of stages like cleavage, gastrulation, neurulation and organogenesis. A larva transforms through the process of metamorphosis to develop into an adult drastic changes.
The entire process of development is as follows – .
If it cannot avoid it, it just find a mechanism to use oxygen and make it less harmful to itself. This is how the process of cellular respiration may have evolved
