Question

primitive and advanced characters of cordaitales.​

Answer 1

Answer:

Advantages:

1.The leaves were simple, spirally arranged and strap-shaped, grass-like or paddel-like.

2. The leaves attained a length up to 1 metre or even more, and had parallel venation.

3. A scanty primary wood was present.

4. In mature stems, the secondary wood was mostly pycnoxylic.

5. Compound unisexual cones were present.