You find a chunk of petrified fossil wood and take it to a paleobotanist, who identifies it as palm (monocot) wood. What is the basis of this identification?
A) There are numerous tiny growth rings.
B) The vascular cambium appears active only between vascular bundles.
C) There is lots of heartwood and very little sapwood.
D) Only ground tissue and scattered vascular bundles occur in the specimen.

Question

Quizplus · Accepted Answer

Palm wood, characteristic of monocots, lacks secondary growth and thus does not have growth rings or a distinction between heartwood and sapwood. Instead, it is identified by its ground tissue and scattered vascular bundles.

You Find a Chunk of Petrified Fossil Wood and Take