Which of the following statements is true?

both prokaryotic and eukaryotic organisms can have one or more cells.

prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular.

prokaryotic organisms are always unicellular, but eukaryotic organisms can be either unicellular or multicellular.

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Wich organism obtains its energy from dead or decaying matter

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?