An Introduction to Starfish by JAMIE OHARA https://padlet.com/jamie_ohara/c3rij3qu432n Gateway Class 1: Assigned Research en-us 2016-11-08 18:49:10 UTC 2023-02-07 02:25:53 UTC hello@padlet.com Starfish Anatomy https://padlet.com/jamie_ohara/c3rij3qu432n/wish/400588643 https://www.shapeoflife.org/video/echinoderm-animation-sea-star-body-plan ]]> 2019-10-21 22:07:28 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/400588643 njohn41 https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401161407 https://vimeo.com/45154593]]> 2019-10-22 21:42:31 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401161407 What I Learned-Sanjana Kolluru https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166533 I learned many things from this presentation. One thing I have learned is that there are 6000 living species of echinoderms. I also learned that these species evolved 6 million years ago.
 Another thing I learned is that echinoderms can eat each other. They are carnivores and their stomachs can expand to be outside the body to eat certain types of prey. Finally, I learned that echinoderms are difficult to kill because they regenerate and their spines to protect them from most predators. In conclusion, this presentation helped me learn many things about echinoderms and seastars.

]]> 2019-10-22 22:01:12 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166533 Fernando Montes https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166558      Water enters through madreporite, which is on top of the animal. Water vascular system is used for food transportation, waste transportation, respiration, and movement. Radial canals carry the water to the arms. In the arms are the tube feet, the water then goes to the tube feet. This then helps the sea star move around easier.]]> 2019-10-22 22:01:18 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166558 Learning about Starfishes- Zahra Gulshah https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166631 There are  4 main stages for a starfish. There is the Spawning of the starfish, the Egg stage, the Larval stage, and the Juvenile stage. In about two years the starfish will become an adult and like on its own. A starfish has many different body parts that helps it live. The body part that a starfish contains is the Ring Canal, Rectal Cecum, the Stomach, Gonad, Pyloric Cecum, Gonopore, an Intestine, Radial Canal, an Ampule, and a mouth with an esophagus that helps get the starfish's food down. Most of these body parts help the starfish live and survive in the ocean.]]> 2019-10-22 22:01:32 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166631 what I learned: Natalie njohn41 https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166663 I learned that a 2 year old sea star is actually an adult.  I also learned that if an arm falls of a sea star, a hole other sea star can form from that arm.  I learned that to eat, sea stars push their stomachs out of their mouths and into their prays shell.  I also learned that sea stars are actually carnivores.  I now know that a Water Vascular System is a  system of closed, fluid-filled tubes and canals of echinoderms used in clinging, transportation, feeding, and respiration.  I know now that an Ampulla is a bulb that shrinks to let water enter the tube foot. That is what I learned.]]> 2019-10-22 22:01:38 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166663 Hiba: https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166692 In the larva stage of a starfish, the starfish is a small jelly blob that floats around in the water eating microscopic flora. They are too small to be seen from the naked eye in this stage. Then the starfish enters the juvenile stage. In this stage the starfish is a small adult and hides under rocks or crevices to protect themselves. They begin eating algae and in two years later they soon become adults. Starfish are also able to regenerate if they lose a limb. This happens because they have an abundant amount of stem cells.

]]> 2019-10-22 22:01:47 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166692 Melody Su: https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166700 To begin with, one thing I learned in this presentation, was how starfish start off as small jelly blob, which floats around eating microscope flora and fauna. In order to protect their eggs, starfish lay on top of them. Once they hatch, they must catch the ocean drift, and then they're on their own.  A whole new starfish can form if only a starfish's arm is removed with part of the central disk. They're able to do this, because they have a a ton of stem cells. They also have a water vascular system, which is used for movement, food manipulation, and respiration. ]]> 2019-10-22 22:01:49 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166700 Aya Suleiman https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166726 From this presentation, I learned many things about seastars. First, I learned that they have many organs, just like humans. Their organs include the ring canal, intestine, ampulla, as well as many more. I also learned that starfish are carnivores, eating clams, mussels, and oyster. One thing I found interesting was that starfish are considered adults once they are about two years old, and the average life span is 35 years. It is very hard to kill these echinoderms because they can regenerate limbs, and may even cut off their own limbs infected with diseases.]]> 2019-10-22 22:01:56 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166726 Rebecca Zin https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166811 The slide required a moderate amount of research and engagement. With the definitions that were typed in, the knowledge of the anatomy and body systems of a seastar were able to be learned. First, I learned about the Ambulacrum, which is the total of each of the radially arranged bands together with their underlying structures, through which the double rows of tube feet protrude. In addition to this, I also learned about the Ambulacral groove, which is the part of the seastar, which is a bordered furrow near the oral site of the starfish. This furrow includes two to four rows of tubular projections called feet or podia.
 The last thing I researched on was a defense mechanism of a seastar, which is called the Pedicelleriae, which is a pincer that appears in large numbers,
]]> 2019-10-22 22:02:12 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166811 Drew Barber https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166954 After listening to all the presentations on starfish I learned many interesting things about starfish. First, the parts of a starfish are, Echinoderm, Madreporite, Ab-oral, radial arm, and Ampulla. Next,]]> 2019-10-22 22:02:32 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166954 What I learned about starfish- Omar a https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166989
Starfish absorb water using the ampule. The ampule is a bulb that is near a starfish's mouth. The ampule is a bulb that shrinks to let water in. That is how starfish survive underwater. The water then goes through the gonopore which are dorsal openings through which gametes are expelled into the water to be fertilized. The ampule and the gonopore both work together to get water in the starfish's body. There are many more things that I learned from this slideshow that everyone worked on to accomplish.]]> 2019-10-22 22:02:40 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401166989 Stan Afanasyev https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167009 I learned that sea stars have a hydraulic system that is used for movement, food manipulation, and respiration. it is called the water vascular system. They have a cardiac stomach that can expand to the outside of their body. Then they use their tube feet to get the food in the stomach. If they get their arm cut off with part of the central disc the detached piece forms a new sea star. then the star regenerated the piece that it lost.]]> 2019-10-22 22:02:44 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167009 Tyler Aichlmayr https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167059 One interesting thing I learned from this presentation is that an arm, along with a piece of the central disk can form a whole new starfish. I also learned that when starfish are in their larval stage, they are too small to be seen with the naked eye. Also, sea stars can regenerate limbs, making it very hard to kill them. I also learned that starfish are carnivores and eat dozens of clams a day, making them unhealthy for coral reefs. I also learned that the water vascular system in starfish help with movement, food manipulation, etc. One final thing I learned is that starfish have an open circulatory system]]> 2019-10-22 22:02:56 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167059 Drew Harisay https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167178 Starfish can grow more than one limb.  I learned that when starfish eat their stomach comes out to eat.  I realized that starfish have spines in there arms.  Water gets caught in the ring canal and then is distributed throughout the body.  Pedicellariae is a defensive organ like a minute pincer present in large numbers on an echinoderm. Echinoderms are many types of marine invertebrates.

]]> 2019-10-22 22:03:29 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167178 What I Have Learned: By Grayson Ciudadano gciud https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167220 I have learned that sea stars have their mouths or where they eat food  on the other side of their bodies. I have also learned that there are many different species, some of these species of starfish use their water vacuole system to open the shells of mollusk. Last, starfish first pull open in their prey, then digesting the prey. This is what I have learned in this presentation.]]> 2019-10-22 22:03:38 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167220 What I learned: By Jadon Lee https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167310 Food can be eaten through a Sea Star's mouth or stomach.Starfish also use their glands to digest.They need to eat certain things to get the right vitamins.Sea Stars can use their glands to open shells of their prey.Sea Stars also use their tube feet to get food to their stomach.After Sea stars reproduce, they leave their eggs on their own.]]> 2019-10-22 22:04:01 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/401167310 I now about starfish some starfish have 5 legs just like when you drow a star a starfish is shaped like a star https://padlet.com/jamie_ohara/c3rij3qu432n/wish/1355845939 2021-03-26 03:04:42 UTC https://padlet.com/jamie_ohara/c3rij3qu432n/wish/1355845939 https://padlet.com/jamie_ohara/c3rij3qu432n/wish/1979207289

















































































































































































































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