Wikibooks: Adventist Youth Honors Answer Book/Nature/Worms

• Format: Book
• Language: English
• Subjects: Antarc*; Antarctica
• Online Access: https://en.wikibooks.org/wiki/Adventist_Youth_Honors_Answer_Book/Nature/Worms

honor header 1 2006 Nature North American Division =1. What is a worm?= A worm is an elongated soft bodied invertebrate (boneless) animal. The best known is the earthworm but there are hundreds of thousands of different species that live in a wide variety of habitats other than soil. =2. Where do worms live?= Worms live in a variety of habitats including in the soil leaf litter under rocks in the water and even inside the bodies of other animals. =3. What do worms eat?= Worms eat decayed vegetation (fruits and vegetables and dead plants in your garden). They also eat cardboard crushed egg shells ground coffee and tea bags. =4. What kingdom are worms found in?= Worms are found in the Animal Kingdom . =5. Name the 3 major phyla (the next largest category of classification) that contain worms and describe them.= =Annelida (segmented worms)= The annelids are a large phylum of animals comprising the segmented worms with about 15 000 species including the well known earthworms and leeches. They are found in most wet environments and include many terrestrial freshwater and especially marine species as well as some which are parasitic or mutualistic. They range in length from under a millimeter to over 3 meters (the seep tube worm Lamellibrachia luymesi). =Nematoda (roundworms)= The nematodes or roundworms are one of the most common phyla of animals with over 20 000 different described species (over 15 000 are parasitic). They are found in great quantities in almost all freshwater marine and terrestrial environments where they often outnumber other animals in both individual and species counts. They are found in locations as diverse as Antarctica and oceanic trenches. Further there are a great many parasitic forms causing disease in most plants and animals humans included. =Platyhelminthes (flatworms)= The flatworms are a phylum of relatively simple soft bodied invertebrate animals. With about 25 000 known species they are found in marine freshwater and even damp terrestrial environments. Most are free living forms but ...