PPT-All about Earthworms

By Mrs Gillespie Earthworms burrow through the soil making tunnels They do this by eating the soil Worms help to keep soil healthy We need healthy soil for growing plants fruit and vegetables. TheroleofearthwormsforassessmentofsustainabilityandasbioindicatorsMaurizioG.PaolettiUniversityofPadova,35100-Padova,Italy Earthworms,whichinhabitsoilsandlitterlayersinmostlandscapes,canofferanimportan HOSTthrivewetareasarepeststrees,freshvegetables,plantstems,trunks,leaves,flowers,rootsornamentalslandscapeplants,earthworms, CYCLEBEHAVIOR:EggReproducing Worms have rounded or flattened bodies, usually without arms or legs.. Some worms live in the water, and some live on land.. This . Spirobranchus. . giganteus. (Red and white Christmas tree worm) lives in the ocean.. 5-minute workshop. From . Hobbie. et al. 2006:. . . Whether . earthworms in this site are responding directly to higher litter . Ca. or to the concomitant higher concentrations of soil . Ca. (Reich et al. 2005) is unknown (. Phylum . Annelida. (segmented worms). https://. www.youtube.com/watch?v=9Q9gh1k99rY. Main . Characteristics. . segment. ed worms. . true coelom (body cavity). Annelids. Include:  . . earthworms. Natalie Rideout, Aaryn Tays, Kaitlyn VanKoppen. Introduction. Worm’s habitat is a burrow in moist, compacted soil. Worms that come to the surface after a rainfall are vulnerable to predation. Debate over the reason why earthworms come to the surface. What Affects the Amount of Leaf Litter in a Forest?. Decomposition rates of leaf litter?. Abiotic soil conditions (pH, calcium content, other nutrients)?. Abundance of earthworms?. Abundance of millipedes?. V. ermicompost. Importance of Composting. Proper disposal of organic wastes. . Done on a large agricultural scale or in backyard gardens.. Allows for recycling of nutrients and can increase soil fertility.. SOIL Texture. t. he . size. of the sediment particles. Largest particle. Smallest particle. Loam (best soil). LOAM—if you . mix of all . types of sediment. . ---- . for best . growth. Questions. Kingdom Animalia. : Multicellular eukaryote, heterotrophic. Phylum Annelida:. body made of many segments separated by a septum. Two body openings and a . closed circulatory system. Ex. Earthworms, marine worms, leeches etc.. Bacteria (10,000,000,000,000). Protozoa (10,000,000,000). Fungi (100,000,000,000). Nematodes (5,000,000). Mites (100,000). Springtails (50,000). Rotifers (10,000). Insects and Spiders (5,000). Potworms. Biology . Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.. Biology of Earthworm. Morphology of Earthworm. Phylum- . Annelida. Class- . Oligochaeta. Order- . Opisthopora. Genus- . Eisenia. . Species- . f. oetida. Species of earthworms: . There are about 3000 species of earthworms in the world but only 3-4 species are used in vermicomposting. In India, only two species are being extensively used for vermicomposting namely,. From . Hobbie. et al. 2006:. . . Whether . earthworms in this site are responding directly to higher litter . Ca. or to the concomitant higher concentrations of soil . Ca. (Reich et al. 2005) is unknown (.