Earthworm Dissection Lab Objective: To learn the anatomy of the Earthworm through dissections. Materials Needed: -15 pins -Scalpel - Dissection tray - Hand lens - Earthworm - Forceps - Probe - Scissors Procedure: 1) Gather your materials; dissection kit‚ dissection tray‚ and the earthworm. 2) Lay the earthworm onto the dissection tray dorsal side up. 3) Place a pin through the side of the third segment from the mouth‚ and another pin through the side
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Experiment 13.3 Earthworm Dissection. Author: William D. Dunlap Team Members: Class Experiment Date of Experiment: March 14‚ 2024 Date Experiment submitted: March 28‚ 2024 Class: Challenge 2 Biology Purpose The purpose of this experiment is to become more familiar with the tools and techniques of dissection. Background Dissection: “The action of dissecting a body or plant to study its internal parts”‚ (Definition by Oxford Languages). Dissection is one of the most important tools for growing a
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Dissection lab In the past 3 weeks we have been dissecting animals of all different sorts. We dissected a worm‚ crayfish‚ grasshopper‚ and a perch (fish). In my conclusion I will explain the diet‚ habitat‚ and how these relate to the structure of these animals. First I am going to be talking about the worm. The Earthworms have setae in groups around or under their body. The setae‚ paired in groups on each segment‚ can be moved in and out to grip the ground or the walls of a burrow. Worms travel
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the case with virtual lab #11 where the experiment called for an examination of an earthworm’s exterior anatomy and interior anatomy. The earthworm as a whole is considered the dependent variable as we cannot change it. However‚ the labels to be placed can be moved so they are the independent variables. My hypothesis is quite elementary. I believe that after studying the anatomy of an earthworm I will be better educated about it. Procedure: 1. Begin by reading about earthworm activity by clicking
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How Does Temperature Effect Earthworms? Introduction When one thinks of earthworms usually one thinks about slimy and nasty creatures that are only used for fishing. Wrong! If there were no worms on earth‚ farms and many plants could not be properly maintained. This paper will explain how important earthworms are to the earth and to our environment. In addition‚ this paper will cover the origin of an earthworm‚ the anatomy and other important characteristics. Origin The
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Earthworms are an organism which has been able to survive for millions of years due to the fact that they have been able to adapt to their surroundings in order to survive. Adaptation is an alternation or adjustment by which a species or individual improves its condition in relationship to its environment. Earthworms have adapted in many ways over the pass generations in order to improve reproduction‚ to get food and to improve their defenses. Earthworms live in moist soil which contains organic
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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 order Opisthopora‚ on the basis of the male pores opening posterior to the female pores‚ even though the internal male segments are anterior to the female. Theoretical cladistic studies have placed them instead in the suborder Lumbricina of the order Haplotaxida‚ but this may again soon change. Folk names
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An earthworm can grow only so long. A well-fed adult will depend on what kind of worm it is‚ how many segments it has‚ how old it is and how well fed it is. An Lumbricus terrestris will be from 90-300 millimeters long. A worm has no arms‚ legs or eyes. There are approximately 2‚700 different kinds of earthworms. Worms live where there is food‚ moisture‚ oxygen and a favorable temperature. If they don’t have these things‚ they go somewhere else. In one acre of land‚ there can be more than
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Wednesday 10/17/2012 In lab we received a fetal pig for dissection to be done over five lab sessions. We started off with an over view of the pigs anatomy noticing the snout‚ external nares‚ eye structure‚ pinnae‚ tongue‚ teeth‚ tail‚ three clove hands‚ and feet. We also identitified the sex of our fetal pig‚ and upon observation at the base of the umbilical cord we determined the sex was a male. The first part of our dissection involved reviewing the masseter muscle structure. We use a scalpel
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Dissection of the Respiratory System of the Fetal Pig Inferior to the Larynx Dissection is an art. We must carefully and accurately dissect the pig so we can identify all important parts. We must use caution when carrying and cleaning sharp dissection tools. Dissection must help us to get to figure out specific parts of the organ that we need. In general‚ dissection in biology lab will help us to see of how all the systems get together in an entire organism. We will get to see how
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