If a species is said to be extinct, then that species is reduced to zero. There are none living in existence. The affects to other organisms of its extinction would depend on their value to the ecosystem. Regardless, extinction completely stops evolution of the species extinct.
In order to reproduce, female sex cells must be fertilized by A. Sperm.
After Mitosis the cell completes its division by splitting its cytopplasm and re-building the last line of its cell memebrane
