10 Volcanic ash serves as a good marker of geologic time because the ash
(A) is highly radioactive
(B) destroys all plant and animal life
(C) has only a local deposition
(D) is deposited rapidly over a large area

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory