What would happen to the variation between organisms in a population if their dna polymerase did not have a proofreading function? the amount of variation would stay the same. the amount of variation would decrease. the amount of variation would increase?

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

Where are the strongest jet streams located?

Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas