Mention one significant difference between each of the following:
Exarch xylem and Endarch xylem
Exarch Xylem | Endarch Xylem |
When the development of xylem takes place towards the centre of the axis, or in other words, the protoxylem develops towards the periphery, it is called centripetal xylem, and the strand is said to be exarch xylem. | When the development of xylem is towards periphery of the axis, or in other words, protoxylem elements develop towards the centre, it is called centrifugal xylem, and the strand is said to be endarch xylem. |
Mention one significant difference between each of the following:
Dormancy and Quiescence
Mention one significant difference between each of the following:
Somatic Mutation and Heritable Mutation