This is a noun phrase. Hope this helps:)
Answer:
Dinosaurs evolved within a single lineage of archosaurs 243-233 Ma (million years ago) from the Anisian to the Carnian ages, the latter part of the middle Triassic. Dinosauria is a well-supported clade, present in 98% of bootstraps.
Explanation:
Answer:
Because it had not rained for several months, there was a ...shortage................... of water.