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to observe the external and internal anatomy of a crayfish. ... to determine the sex of a crayfish using external anatomy. ... Figure 1: External Dorsal Anatomy of the Crayfish- be sure to label all parts!
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www.middleschoolscience.com/crayfish.htm
www.middleschoolscience.com/crayfish.htm
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My sporadic (I usually release my catch) inspection of trout stomach contents frequently turns up crayfish. I found crayfish, usually in several pieces, in trout as small as 7.5 inches. Several times I removed parts of more than one crayfish from a single stomach.
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www.mackers.com/crayfish/info.htm
www.mackers.com/crayfish/info.htm
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The Official Crayfish Page. Everything you ever wanted to know about crayfish. ... Crayfish Information ... Crayfish, also called crawfish or crawdad, are closely related to the lobster. More than half of the more than 500 species occur in North America, particularly Kentucky (Mammoth Cave) and Louisiana in the Mississippi basin.
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www.mackers.com/crayfish/
www.mackers.com/crayfish/
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In this activity you will need to use the vocabulary from your booklet to match the definitions? ... See a list of terms used in this activity. ... This activity was created by a Quia Web subscriber. Learn more about Quia...
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www.quia.com/mc/252011.html
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Java Games: Matching, concentration, word search, and flashcards ... In this activity you will need to use the vocabulary from your booklet to match the definitions? ... This activity was created by a Quia Web subscriber. Learn more about Quia...
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www.quia.com/jg/252011.html
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Crayfish are an important part of the aquatic food chain. They are also an important part of the human food chain! Well, not so much in these parts, (Though you'd eat a lobster, right?) but in many parts of the world crayfish are a delicacy.
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www.naturenorth.com/fall/crayfish/cray2.htm
www.naturenorth.com/fall/crayfish/cray2.htm
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Uses images to help advanced students study and identify different parts of crayfish. ... The following images are designed to help you review materials you studied in the laboratory. These images can be most useful to you if you try to identify labelled structures before clicking to obtain answers. ... Ventral View (3 images)
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biog-101-104.bio.cornell.edu/BioG101_104/tutorials/anim...
biog-101-104.bio.cornell.edu/BioG101_104/tutorials/animals/crayfish.html
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biramus appendages presence of body parts that split into two parts (often at the tip or base); bladder of nephridium located just superior to the green gland; stores liquid wastes until it can be voided from the body through the renal opening; ... telson seventh segment of the crayfish's abdomen:
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www.scienceclass.com/dissect/teacher_materials/glossary...
www.scienceclass.com/dissect/teacher_materials/glossary/crayfish_glossary.html
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Table 1: Crayfish Appendages and their Functions ... 3 pairs of mouth parts ... ammonia is the primary waste product (Miller and Harley, 1992). Ammonia is also excreted across the gill surfaces and by diffusion across thin parts of the exoskeleton (Snodgrass, 1965).
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www.science.mcmaster.ca/Biology/Harbour/SPECIES/CRAYFIS...
www.science.mcmaster.ca/Biology/Harbour/SPECIES/CRAYFISH/CRAYFISH.HTM
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