Answer:
it is D
What global climatic change gave gymnosperms an advantage over ferns?
A) Increased fluctuations in global climate
B) the climate becoming hotter and wetter
C) the climate becoming cooler and drier
D) the climate becoming hotter and drier
Nucleic acids / aka nucleotides
Http://www.phschool.com/science/biology_place/biocoach/bioprop/folding.html hope it helpps
False teeth help the digestive system by chewing pieces of food into smaller pieces but it is not part of it.
<span />
