Which features are found only in eukaryotes, only in prokaryotes, or in both eukaryotes and prokaryotes?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment