Annelids-In earthworms, respiration is through the skin, but gills are used to exchange oxygen and and carbon dioxide in other types of annelids. Arthropoda-Some arthropods have gills and some have a tracheal system to obtain oxygen and then get rid of carbon dioxide.nnelids-In earthworms, respiration is through the skin, but gills are used to exchange oxygen and and carbon dioxide in other types of annelids. Arthropoda-Some arthropods have gills and some have a tracheal system to obtain oxygen and then get rid of carbon dioxide.
Cistus, with its many hybrids and cultivars, is commonly encountered as a garden flower. The common name rockrose is applied to the species, a name also shared by the related genera Halimium, Helianthemum and Tuberaria, all in the family Cistaceae. The common name gum cistus is applied to resin-bearing species, especially C. ladanifer.
A red rose. In literature, roses often symbolize love and beauty; therefore, they represent ladies, also. Roses are a frequently used flower symbol. From a Christian perspective, a rose is a symbol of heaven and harmony in the world.Furthermore, the rose is considered the flower of the Virgin Mary. red rose. In literature, roses often symbolize love and beauty; therefore, they represent ladies, also. Roses are a frequently used flower symbol. From a Christian perspective, a rose is a symbol of heaven and harmony in the world.