In the case of the milkfish, they have an adipose eyelid which is a transparent membrane over the eye. Introduce your students to the external anatomy of the sea star using the dissection guide below and explore the interesting structures that function. See more ideas about dissection, biology labs, biology. Study 20 terms science starfish glossary vocabulary. If you would rather watch and pause the dissection video at your own intervals, you can use the videos from which the presentation was developed. Starfish dissection digestive glands, gonads, stomach, ampulla, ambulacral ridge. See more ideas about label image, frog drawing and skeleton drawings. A highly prevalent and pervasive densovirus discovered.
Deepsea starfish from the arctic have welldeveloped eyes. Starfish dissection animalia kingdom modified the animal blog. Ditolla examine the top surface of your starfish and find the structures labeled below. Materials 1 sea star 1 dissection tray 1 pair of dissection scissors 1 pair of forceps 1 bent probe 1 ruler 1 piece of paper towel 1 pair of gloves. Ppt starfish powerpoint presentation free to view id. Download printable pdf version of pictures and key thanks to glen elliott.
Cut off one of the bivium rays and create a cross section 5. The test consists of calcium carbonate plates arranged in a fivefold radial pattern. Part ii internal anatomy, additional video, lesson plans, quizzes, additional dissections, and more available in support. Stomach contents can tell us much about a fishs habit. You will be spending much of the rest of the year in selfdirected, inquiry based dissection before beginning, you must complete all of the following. Ophiuroidea brittle stars, holothuroidea sea cucumbers, echinoidea sea urchins and sand dollars, and asteroidea starfish. A teacher video background information, interactive powerpoint with student cut videos, a student. Sea star dissection lab monadnock regional high school. The sea star has a circular radial body plan in which there is a central disk circular body region with elements arms, normally 5 that radiate from the. The natural start is to look at the eye, which as students can see they dont have eyelids like us no why would this be. Dissection 101 detailed sea star dissection part 1 of 2. The second link below is of a clam dissection, which we will begin next week in class. It is designed to be completed in a 50 minute class period, with time recommendations for each step of the dissection.
Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The powerpoint presentations download very slowly if you choose open. The skeleton varies with the type of echinoderm but in sea stars and brittle stars, the skeleton consists of small ossicles that move with one another forming flexible joints much like our joints of tendons and ligaments. The video details the external anatomy of a sea star. As an educator you are responsible for the implementation of the dissection activity described in the video and powerpoint. Sea star dissection click on one of the video options below to view the sea star dissection. Preserved starfish, dissecting pan, scissors, scalpel, forceps, tpins, pencil, lab. The sea star has a circular radial body plan in which there is a central disk.
The structures in the central disc are not in multiples of five. Starfish or sea stars are starshaped echinoderms belonging to the class asteroidea. The subphyllum pelmatozoa contains one class, crinoidea sea lilies. Ppt dissection of a sea star powerpoint presentation, free. Sea star dissection labwrite the names of the structures by thecorrect letters on your paper. About 1,500 species of starfish occur on the seabed in all the worlds oceans, from the tropics to frigid polar waters. If you intend to be absent from the dissection today, there is a link at the top of the packet below that you can go through a virtual lab documenting the dissection. It exhibits radial symmetry, with 5 arms extending from a central disk. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. A lesson plan with time codes, quiz and an interactive powerpoint are available below. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Starfish dissection lab biology junction answer key.
Sea star dissection powerpoint linkedin slideshare. Ppt class ophiuroidea powerpoint presentation free. Coordinated movements of the spines enable sand dollars to move across the seabed. The etiology of sea star wasting syndrome is hypothesized to be caused by a densovirus, sea starassociated densovirus ssadv, that has previously been reported on the pacific and atlantic coasts of the united states. The sea star has a circular radial body plan in which there is a central disk circular body region with elements arms, normally 5. The vascular system of the sea star is also filled with sea water. Sea star anatomy part 1 youtube starfish dissection biology junction using microct scans to solve the mystery of brittlestar.
Examine the external and internal anatomy of the starfish. In this study, we reevaluated the presence of ssadv among sea stars from the north american atlantic coast and in doing so discovered a novel densovirus that we have named. You still need to complete the prelab portion of the assignment in order to receive credit for the dissection. This will open a new tab with the resource page in our marketplace. Purpose the purpose of this lab is to observe the structure and function of internal organs of sea star through dissection. This sea star dissection packet includes diagrams, instructions, and questions to guide students in their dissection. All other animals share the traits of tissues, organ systems, sexual reproduction. Click on popout icon or print icon to worksheet to print or download.
Echinoderms usually have five appendages arms or rays, but there continue reading starfish dissection. Displaying all worksheets related to sea star dissection. In living individuals, the test is covered by a skin of velvettextured spines which are covered with very small hairs. Characteristics of reptiles dry skin covered with scales two pairs of legs except snakes three chambered heart welldeveloped lungs protected by rib cage internal fertilization external development eggs 3. Dissection introduction powerpoint and discussion will be presented in class, if you miss it, you are responsible for reading and understanding the powerpoint and getting supplemental discussion. May 19, 2008 starfish seastars regenerating their arms with tidepool tim of gulf of maine biological supply duration. The unifying features of the class asteroidea include 1 a starshaped body with multiples. As larvae, echinoderms are bilaterally symmetrical but, become radially symmetrical as they mature. Free online dissection resources national antivivisection.
Body structure and motion of a brittle star a overview of. Oft neglected in the culinary realm, theres a lot to see in the scientific one. Bird pigeon dissection powerpoint bonyfish evolutionary biology perch dissection perch dissection photos cat anatomy corner continued. Virtual sea star dissection kingdom animalia, phylum echinodermata, class asteroidea. If you purchase it, you will be able to include the full version of it in lessons and share it with your students. Initial steps of the dissection process are also explained. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or basket stars. A theory is that the spikes on the sea star are a conti. You have one class period after you were absent to complete the assignment to receive full credit. The skeleton of a sea star in indeed an endoskeleton and is inside of an outer covering just like the skeleton of a human. Dissection 101 detailed sea star dissection part 1 of 2 pbs. There are over 6,000 species and they usually have five appendages arms or rays.
Students without access to squid, or who were absent the day of the dissection can view photos of the squid and complete the lab guide. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Porifera and cnidaria, platyhelminthes and nematoda are the most primitive animals. C3w1, starfish dissection eden hope academy concise. The second subphyllum, eleutherozoa, contains four classes. Worksheets are powerpoint quiz teacher, starfish dissection guide, sea star dissection mr wren key pdf, starfish pre lab work, the starfish, bony fish anatomy work, dissection 101, sea urchin dissection protocol. Please follow the directions listed to complete any dissection you have missed this quarter. Watch through the video and add the labels to the clams at the bottom of the sheet. Echinoderms are radially symmetrical animals that are only found in the sea there are none on land or in fresh water. All the excitement of a dissection without the mess.
Squids are shipped in bags and are stored in a preservative, when you first open the bag, you might notice a pungent aroma. Lab practical learn with flashcards, games, and more for free. Each ray of a sea star has a light sensitive organ called an eyespot. By moving water from the vascular system into the tiny feet, the sea star can make a foot move by expanding it. Feb 04, 2014 part i sea star dissection for educational use. Study 17 terms sea star anatomy flashcards quizlet. Sea tube feet surface symmetrical pixelmasterdesign. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. In this article we will discuss about the dissection of star fish. Navs now offers free downloads of the virtual reality dissection program froguts.
Download powerpoint five species were sectioned for further detailed morphological examinations and this showed that they have the same overall cellular composition of ommatidia electronic supplementary material, figure s4 which also matches descriptions in the literature 10, 21. If you turn in the assignment later than the one classperiod window you are subject to the. In 1969, an american ecologist robert whittaker classified. Ppt sea star anatomy powerpoint presentation, free. E chinoderms are radially symmetrical animals that are only found in the sea there are none on land or in fresh water.
Feb 05, 2014 sea star dissection for educational use. Due monday, 519 4th quarter notebook check biology eoc may 15th. A free powerpoint ppt presentation displayed as a flash slide show on id. The sea star, or starfish, is a marine invertebrate belonging to the phylum echinodermata from the greek for spiny skin. Toefl university of cambridge international baccalaureate mary star of the sea high school challenging students to reach their full human potential through a living faith in god edlio login contact information 310 54718 fax. When we look at the inside of a fish, we will learn that certain organs and systems in fish are similar to those in humans. If you look directly into the center of the pupil, you can even see the lens. The sea star commonly called a starfish is an excellent specimen to use to represent a unique group of marine animals called echinoderms.
Due monday, 62 bring textbooks and exemption forms. You must have safety procedures and rules established for your classroom and make sure all of the students follow the rules to ensure a safe environment. There is a printable worksheet available for download here so you can take the quiz with pen and paper. Ppt dissection of a sea star powerpoint presentation. Fish dissection summary living things are similar to and different from each other. Click on one of the video options below to view the earthworm dissection.
Sand dollars, like all members of the order clypeasteroida, possess a rigid skeleton called a test. Ppt sea star anatomy powerpoint presentation, free download. This is an online quiz called anatomy of a sea star. See below for specific dissection specimen options. Echinoderms usually have five appendages arms or rays, but there are some. Guaranteed to help students identify and recognize similarities and differences among diverse phyla within the kingdom animalia. Echinoderms usually have five appendages arms or rays, but there are continue reading starfish dissection. In summary, most animal lineages arose in the ocean during the cambrian 544505mya when oxygen concentrations increased dramatically. Combined with the flinn dissection guides, the flinn dissection photo guides provide unmatched resources to guide inquirybased group learning. Locate the eyespot at the tip of the ray of a trivium 6. This collection details the anatomy of a sea star starfish.