Earthworms: Earthworms are hermaphrodites, which means that they have both male and female sex organs. They are usually found in soil and are an essential part of the ecosystem. Facts About Earthworms: An earthworm is a terrestrial invertebrate whose class and order are Clitellata and Oligochaeta...
What class of the phylum Annelida does not have setae? What class do amphibians belong to? What are the classes in the phylum Anthophyta? What phylum does schistosomiasis belong to? What phylum does the parasite which causes trichinosis belong to?
Earthworms, leeches, and polychaete worms havea closed circulatory system; meaning, the inner space of their bodies are filled with blood vessels that carry blood, nutrients, and oxygen throughout the body. ... Like our veins and arteries, these vessels move blood from a series of hearts that...
31. What are the hardened spike-like structures on the parapodia called? Answer: thesecirri (setae)may break off into your fingers and cause a very painful sting. Do annelids have a respiratory system? Respiration. In some annelids, including earthworms,all respiration is via the skin. Howe...
aTypically only a few inches (7 or 8 centimeters) in length, some members of this species have been known to grow to a serpentine 14 inches (35 centimeters). Earthworms’ bodies are made up of ring-like segments called annuli. These segments are covered in setae, or small bristles, which...
aTypically only a few inches (7 or 8 centimeters) in length, some members of this species have been known to grow to a serpentine 14 inches (35 centimeters). Earthworms’ bodies are made up of ring-like segments called annuli. These segments are covered in setae, or small bristles, which...
Earthwormsplayakeyroleinmanysoilprocesses,includingsoilturnover,aeration,anddrainage,aswellasthe breakdownandincorporationoforganicmatter(Edwards,2004).Unti1now,forthegenusDrawidaMichaelsen,about21 nominalspeciesandsubspecieshavebeenrecordedinChina:Drawidabimaculata(Zhong,1992),D.changbaishanensis ...
Do earthworms have exoskeletons? Does a firefly have an exoskeleton? Do nematodes eat ticks? Which arthropods have waxy exoskeletons? Do sandhoppers have exoskeletons? Do deuterostomes have exoskeletons? Do all mollusks have a calcareous exoskeleton?
Do bristle worms have exoskeletons?Bristle Worms:Bristle worms are marine animals that belong to the phylum Annelida. This group is also known as the segmented worms and includes all varieties of earthworms. Exoskeletons:Many species of animal such as insects, clams, lobster, mussels, and many ...
What type of symmetry do worms have?Symmetry:Symmetry has to do with balance. If you could draw a line through an object and have the parts on both sides be exactly similar and mirror each other, that object has bilateral symmetry. Some items may have many lines of symmetry, others may ...