A food chain shows a single connected path of energy flow through an ecosystem. It shows the different levels of eating in an ecosystem. Both a good web and a good chain include a number of organisms including both producers and consumers. A food chain is very simple while a food web is complex and consists of a number of food chains. In a food chain each organism has only one consumer or producer.
Its stabilising. Since the selection pressure is against the extremes which are the normal blood and the sickle cell anaemia.
D. 99% of all living things that have ever existed are now extinct
Answer:
So one partner has genotype: Aa or AA while the other without dimples has: aa
There can be children with dimples only if the first partner with dimples has as genotype Aa.
