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Frog dissection diagram worksheet1/9/2024 ![]() ![]() Routh contends that the dissection requirement violates her First Amendment right to exercise freely her moral and religious beliefs. She maintains that she did not participate in the lab. Routh, the university is now taking the position that she fulfilled all the requirements for the lab. She was marked as attending it, and at the end of the course she received a final grade of C+.ĭespite the letter to Ms. Grades for labs are based on quizzes and attendance, but no quiz was given after the frog lab. Routh did not receive a zero for the lab. She said the supervising graduate student let her look at a textbook diagram of a frog instead.Īs it turned out, Ms. Routh said, she did attend, but she refused to watch as the others took preserved specimens and dissected them. She also said she informed the entire class, while students could still drop courses, that dissection would be required. ''I have concluded that there is no appropriate alternative work suitable to replace dissection in the laboartories for Bio 151,'' Professor Bentley said in a letter to Ms. Bentley, told her that there was no alternative. Her professor allowed her to skip it and prepare written answers to a set of questions.īut in Biology 151, the professor, Barbara L. Last spring, she took Biology 152, which also requires dissection. Routh said she enrolled in the course, ''Principles of Biology: From Organisms to Ecosystems,'' because she was considering a career in medicine. ''There is no penalty to students who observe.'' ''The students are free to determine between themselves who will do the actual dissecting and who will observe,'' Mr. Students who do not want to perform the dissections can observe dissections by their lab partners. At some, like the Mount Sinai School of Medicine at the City University of New York, students who object to experimenting on animals can learn about them from textbooks.Īt Stony Brook, ''dissection is a critical component of the biology major and a required activity of Bio 151,'' a spokesman for the university, Dan Forbush, said. The suit comes as medical and veterinary schools are rethinking the use of animals in laboratory experiments. ''What the state is saying,'' he added, ''is if you're a resident of the State of New York and want to take advantage of state-provided education, we won't give you a degree in biochemistry unless you compromise your religious and ethical beliefs.'' Francione said he hoped the case ''would finally crystalize what is a clear rule of law, that the state can never make a person engage in conduct inimical to religious and moral beliefs under these sorts of circumstances.'' It is also the first time a suit has concerned a course not required for graduation, he added. But this appears to be the first time a university has been sued, Ms. These tubes help equalize pressure.Several students across the country have successfully sued high schools to avoid participating in dissection. These are openings to the Eustachian tubes, leading to the tympanic membranes. Two openings can be seen on the lateral sides of the mouth’s roof.The fine maxillary teeth line the upper jaw and the two prominent vomerine teeth are found behind the mid-region of the upper jaw. The esophagus leads to the stomach, and the glottis to the lungs. Identify the glottis and the opening to the esophagus. ![]() Cut through the jaw joints on each side of the mouth and open the mouth wide.The cloacal opening, or anus, is the single exit from the urinary, reproductive, and digestive systems. Locate the cloaca at the specimen’s posterior end.In a living frog, this membrane is clear. This is the frog’s third eyelid, the nictitating membrane. Notice the cloudy eyelid attached at the bottom of each eye. Posterior to the eyes are round tympanic membranes, the frog’s external sound receptors.Find the 2 external nares at the head’s tip.Each hind limb is divided into a thigh, lower leg, and foot. Observe that each forelimb is divided into an upper arm, forearm, and hand. The frog is a tetrapod, meaning that it possesses 4 limbs for locomotion. Notice the appendages developed for a terrestrial life.Obtain a preserved frog and place it on your dissecting tray, dorsal surface up.
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