A population was surveyed to determine the percentage of individuals with detached ear lobes and attached earlobes. 16% of the population was found to have attached earlobes, a trait coded for by recessive allele. Calculate the allele, genotype and phenotype frequencies of the population, assuming Hardy-Weinberg equilibrium is maintained.

Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?

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

What’s a example of extrusive rock that cooled to quickly for grains to form