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https://sciencing.com/worms-move-4566503.html
Nov 22, 2019 · Earthworms are able to control the muscles and setae on each segment individually to aid in complex locomotion. About the Author Heidi Almond worked in the natural foods industry for more than seven years before becoming a full-time freelancer in 2010.
http://www.porcellio.scaber.org/Eworms/eworm.htm
Support and movement: Earthworms have a hydrostatic (= fluid) skeleton They move by squeezing the circular muscles of each segment to make their body extend forward, then they grip the surface with their bristles and contract their longitudinal muscles so their body is pulled up to their anterior (front) end
https://www.birdbraintechnologies.com/hummingbirdduo/teach/project/earthworm-locomotion/
An earthworm moves using circular and longitudinal muscles, as well as bristles called setae. The earthworm can push the setae out of its body to grab the soil around it. To move forward, the worm uses its setae to anchor the front of its body and contracts the longitudinal muscles to shorten its body.
https://www.youtube.com/watch?v=Swy9dr9LtUU
May 13, 2015 · Project Name: e-Content for zoology experiments Project Investigator: Dr. Nikunj Bhatt Module Name: Earthworm: movement - hydrostatic skeleton.Author: Vidya-mitra
http://www.ucs.mun.ca/~iemerson/lectures1001/lecfram24.html
Support and Movement Overview of lecture Functions of Skeletons Movement Hydrostatic Skeletons of Hydra and Earthworm Suitability for Aquatic Habitat; Drawbacks Exoskeleton of Grasshopper Preadaptation for life on land Success and Plasticity of Form of Insects Endoskeleton of Fish and mammal Adaptations for water or land
https://quizlet.com/186976260/animals-movement-reproduction-and-development-flash-cards/
Start studying ANIMALS: MOVEMENT, REPRODUCTION, AND DEVELOPMENT. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... support and movement structure of animals that is maintained by water or body fluid. ... An earthworm receives support and shape from its fluid-filled cavity. It has _____.
https://www.youtube.com/watch?v=F2DBLBejpLM
Apr 14, 2014 · Ever wondered how earthworms are able to move so well without having any external limbs or aids? In this premiere episode of 'Exploring Invertebrates' I explain the simple yet effective ways of ...Author: The Nature Realm
https://www.sciencelearn.org.nz/videos/3-physical-adaptations-for-life-underground
Jun 12, 2012 · An earthworm moves by using two different sets of muscles. Circular muscles loop around each segment, and longitudinal muscles run along the length of the body. When the circular muscles contract, the earthworm stretches, becoming longer and thinner. The earthworm uses its setae to …
https://cronodon.com/BioTech/Earthworm_locomotion.html
Above: an earthworm undergoing locomotion and moving toward the top of the page. Each frame ... making such fine-tuned movements impossible. The septa do not completely isolate adjacent segments, however, since they are stretchable and buckle ... Movement, support and …
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