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Earthworms range from a few millimeters long to over 3 feet, but most common species are a few inches in length. Only a few types are of interest to the commercial earthworm grower, ... Small hair-like structures, called setae (bristles), are located on each segment. These can be extended or retracted and a principal function...
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Earthworm - Wikipedia, the free encyclopedia
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Earthworm is the common name for the largest members of Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida. In classical systems they were placed in the ...
en.wikipedia.org/wiki/Earthworm
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We study earthworms to learn the structures and functions of segmented worms, also called annelids. Segmentation supports diversified functions of body ...
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www.mhhe.com/biosci/genbio/virtual_labs/BL_14/BL_14.htm...
www.mhhe.com/biosci/genbio/virtual_labs/BL_14/BL_14.html
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seminal vesicle store sperm produced by the earthworm; setae (sing: seta) bristle-like, chitinous structures located on the lower half of the ventral surface of the earthworm and used primarily for anchoring the worm in the soil and in locomotion;
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www.scienceclass.com/dissect/teacher_materials/glossary...
www.scienceclass.com/dissect/teacher_materials/glossary/earthworm_glossary.html
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The Internal Structures of the Earthworm ... The outer tube, forming the body wall, consists of two layers of muscle, the moist skin, a cuticle, and a secretion of slimy mucus. The fluid-filled cavity between the two tubes contains a well-developed circulatory system, a nervous system, numerous thread-like kidneys,
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www.tvdsb.on.ca/westmin/science/snc2g1/wormint.htm
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Examine your earthworm and determine the dorsal and ventral sides. Locate the two openings on the ventral surface of the earthworm ... 4. Spread the skin of the worm out, use a teasing needle to gently tear the septa (little thread like structures that hold the skin to organs below it)
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www.biologycorner.com/worksheets/earthwormdissection.ht...
www.biologycorner.com/worksheets/earthwormdissection.htm
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Using dissection pins placed at a 45o angle from the tray, pin back the skin of the earthworm along the anterior third of the specimen. (To what body system does the skin belong? Given the earthworm's form of locomotion, what else are you pinnning back, ... You will need to refer to specific structures in your answer...
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shs.westport.k12.ct.us/mjvl/biology/dissect/earthworm.h...
shs.westport.k12.ct.us/mjvl/biology/dissect/earthworm.htm
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The biogenic structures collected belonged to two species of earthworms Andiodrilus .... Earthworm structures. Martiodrilus casts showed a different enzyme ...
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linkinghub.elsevier.com/retrieve/pii/S0038071704004158
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Insects question: When an earthworm moves what structures allow it to hold on to the soil? Setae ... How do earthworm moves? What structures help an earthworm dig? What structures help keep an earthworm anchored to the ground? Which strustures help the earthworm grip the goundas it moves? Do the external structures of...
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wiki.answers.com/Q/When_an_earthworm_moves_what_structu...
wiki.answers.com/Q/When_an_earthworm_moves_what_structures_allow_it_to_hold_on_to_the_soil
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