The companion cells are specialized …….. which are closely associated with sieve tube elements.

Polyarch condition is seen in

Given below are two statements:

Statement $I$: Parenchyma is living but collenchyma is dead tissue.

Statement $II$ : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.

In the light of the above statements, choose the correct answer from the options given below:

Complex tissues are