HELP ASAP PLSSS WILL GIVE BRAINLIST (when I get two answers) 4. Describe the cladogram below. (2 sentence minimum)

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

According to the cladogram, which organisms have roundworms as a common ancestor?

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).