What is a eukaryote, and when did eukaryotes first arise?

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.