<span>Ecosystem is where a group of living organisms are associated with its environment factors such as minerals or any non-living elements. These organisms and it's environment are in linked with each other through the cycles of energy and flows of chemical to each of them.</span>
Heritability is important for natural and artificial selection because a trait must be heritable for them to take place. ... Variations that exist in every population are the basis for natural selection. The differences in organisms come from different genetic material.