Two different species of organisms would demonstrate molecular homology if they –
1 point
exhibited similarities in their amino acid sequence.
had bones that looked similar under the microscope.
depended on the same nutrients to survive.
possessed body structures performing the same task.

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 ?

Dna replication or repair occurs in a cell in all of thw following situations except when

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.