I believe it is K or rather potassium
The correct answer is D. The theory of natural selection provided a better explanation of the processes that were being observed by the scientists.They observed that the related species birds found on one island were slightly different from that of the other, and certain portions earth, have the species, which were not found anywhere else.
1. Rhythm generators (SA node)
2. Conductive cells (node cells)
3. Contractile cells (myocardial cells)
<span>the one that best describes mitochondrial DNA (mtDNA) would be: c.Mitochondrial DNA can be traced for generations.
As the name suggest, mithocondrial DNA exist within every copies of DNA on our body. This means that mithocondrial DNA can be inherited from both of our parents, which means it can be traced for generations</span>
They are inherited by dominant genes or traits from the parents.
