What characteristics do only vertebrates have?

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).

In which squares should the phrase "green pods" appear a) a and d b) b and e c)a,c, and d d)a,b,c,d and e

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.