Which of the following is the first vascular plant to be represented by an extinct group?
Bryophytes
Lycopods
Conifers
Cycads
Connecting link between annelida and mollusca is
According to the discovery made in $1980's$. $RNA$ can act like enzyme to assemble new $RNA$ molecules on $RNA$ template. Which of the following statements is not proved by this theory?
Which of the following evolved into the first amphibians?
Which one of the following is a pair of homologus organs