Lath seen from the back with brown coat oozing through. Lath and plaster is a building process used to finish mainly interior walls and ceilings in Canada and the United States until the late 1950s. After the 1950s, drywall began to replace the lath and plaster process in the United States.
Chapter 6: Phylum Brachiopoda. 6.1 Introduction. While recent brachiopods are a rather rare and insignificant group, their long fossil history shows that they were at times the most prominent animals in the seas.he phylum is quite important for biostratigraphy, paleoecology, and evolutionary studies because it shows a great variety of changes in form and function through time. Brachiopods appear near the beginning of the Cambrian, but did not become abundant until the Early Ordovician.
4 Limitations of being an arthropod Phylum Arthropoda: arthropods Subphylum Myriapoda: millipedes and centipedes Subphylum Chelicerata: spiders, scorpions, ticks, mites, horseshoe crabs Subphylum Crustacea: Crayfish, crabs, shrimps, barnacle, roly-poly Subphylum Hexapoda: insects and relatives.0 Class Maxillopoda: barnacles and copepods â¢ Copepods are small in size and lack abdominal appendages â¢ Main component of zooplankton â¢ Â½ species are parasites of other marine animals â¢ Most feed with their maxillae are filter feeders (but barnacles use their legs for filter feeding, .