The Oldest Known Megafossils of Early Vascular Plants May Be

Question

The oldest known megafossils of early vascular plants may be characterized as:
A) possessing dichotomously branched stems without leaves or roots.
B) possessing dichotomously branched stems with leaves.
C) possessing erect stems with megaphylls.
D) possessing roots but lacking sporangia.
E) lacking roots but possessing megaphylls.

Accepted Answer

The oldest known megafossils of early vascular plants, such as those from the Rhynie chert, are characterized by dichotomously branched stems without leaves or roots. This reflects an early stage in plant evolution before the development of more complex structures like leaves and roots.