If modern organisms have a lot of homologous structures, what inference might paleontologists make about those organisms?

They are reptiles

The organisms have a common ancestor.

One organism evolved from the other

Which entry is in the wrong position in the table?

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.