Which of the following best describes a marsh? a) an area of land with soil that is saturated with water for at least a portion of the year b) wetlands that have shallow bodies of water covering large portions of the land c) wetlands that experience frequent or continuous flooding d) wetlands that do not experience frequent or continuous flooding e) wetlands that have acidic groundwater and accumulate acidic peat

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

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.

The smallest parts of these that retain their original properties are called