Regena, age 50, is likely to have than 25-year-old owen. a smaller thymus thicker cartilage in the joints more fast-twitch muscle fibers softer artery walls

Using meiosis, the sporophyte produces spores that are .

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.

Light sensitivity in euglena is provided by the