Science biology which type of organisms recycle organic molecules of dead at all trophic and return their nutrients to the surroundings?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

Select the correct answer from each drop-down menu proteins are

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 ?