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Starfish are an amazing part of the marine ecosystem. In fact, they are the most important predator in the shallow water biome. They are known as a keystone species.....meaning their feeding has an effect on the whole ecosystem. They have a fun anatomy to dissect and because of this, they are a good beginning specimen to start with. At the beginning of class, we will review the dissection kit tools and their uses. We will also observe the external anatomy of the preserved starfish before...
Students will be able to name standard dissection tools. Students will be able perfect dissection techniques. Students will be able to observe the internal and external anatomy of a preserved starfish specimen.
I was a middle school science teach for 10 years and in that time, have lead hundreds of students through many dissections including the hot dog, earthworms, clams, crayfish, and sharks. In my college Zoology class, I was the only student to successfully extract the entire spinal nerve of a crayfish that the professor had ever had! I find dissections fascinating and a good stepping stone for any student interested in anatomy, physiology, zoology, or college sciences.
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Learn progress is assessed through the dissection technique during class. No tests are given.제공되는 성적
등록 시 3개의 파일을 볼 수 있어요.Students will need a dissection kit and a preserved starfish specimen. I have included the link to Home Science Tools which has a cheap standard kit for $5.60 (at the time of this writing). Amazon also has a couple for approximately $10. I personally recommend Home Science Tools. Not only is that where I purchase all of my dissection specimens but I have found them to be the most cost effective for these items. I have also included the link to Home Science Tools starfish specimen which is $3.25 at the time of this writing. Students may prefer to have disposable gloves on when dissecting. They also need a clean area to dissect (on a plate, cutting board, paper towels.)
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Dissection tools are sharp and as such, your student must be mature enough to handle them on their own by your estimation. Reproductive organs are also a part of a preserved earthworm and will be part of the organ system that students dissect. Though no in-depth discussion of earthworm reproduction will occur, these organs are named and their uses are defined during dissection. Starfish have reproductive glands....they will either contain sperm or eggs. This will be mentioned though cannot be seen (in order to determine gender, these glands would need to be viewed under a microscope).
Hello students and parents! I am a former Science teacher who now runs a hospital-based Sleep Lab. With a Bachelors degree in Biology, I taught middle-school science classes for 10 years before transitioning into the healthcare field. I have been...
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₩100
클래스당1회 수업
40분
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실시간 화상 수업
Ages: 11-16
수업당 학습자 1-7 명