3. Speciation occurs when: * 1. two populations become geographically isolated
2.enough differences accumulate between two populations that they can no longer
interbreed
3.gene mutations accumulate
4.all of the above

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material