How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

Acar traveld with an average speed of 60 miles per hour for 2 hours. how far did it travel

Whats one way that rocks do not follow the typical rock cycle pathway?

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.