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1. purpleseaurchinresource.weebly.comThe Purple Sea Urchin Resource - Home

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   This is the Purple Sea Urchin. There are many different kinds of Sea Urchins, it is one 1000 different species. They are a very pretty animal but they are also dangerous! Fun Facts: If a prey eats a purple Sea urchin For example the Sea Otter their teeth can possibly turn purple!

   • Ecology

     The Purple Sea Urchin (Arbacia Punctulata) can be found in...

   • Physiology

     Oxygen is important for all living creatures. But oxygen is...

   • Evolution

     The Purple Sea Urchin Resource: Home; Ecology; Physiology....

   • Reproduction

     Urchins reach sexual maturity at 2 years old (3). Sea...

   • Respiratory System

     Purple Sea Urchins are cold blooded and incapable of...

   • Reproduction/Development

     The Purple Sea Urchin starts out as a zygote. However,...

   • Digestive/Respiratory

     How The Purple Sea Urchin Digests Food. The Purple Sea...

2. Videos

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     Facts: The Purple Sea Urchin

     Dec 28, 2021

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     Purple sea urchin's delicious explosion -Superabundant S1 E2

     Jun 17, 2021

     36.4K Views

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     7:15

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     Catch & Cook Purple Sea Urchin (Uni) | Coastal Foraging in Northern California

     Dec 23, 2022

     6.4K Views

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3. thepurpleseaurchinresource.weebly.comThe Purple Sea Urchin - Home

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   The Purple Sea Urchin, or Strongylocentrotus purpuratus, is an aquatic animal and a echinoderm. This 4 inched organism has a red outer body covered with bumps and holes and bright purple spikes and tubed feet that extend from it that are used for movement and protection.

4. thepurpleseaurchinresource.weebly.com › respiratory-systemRespiratory System - The Purple Sea Urchin

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   Purple Sea Urchins are cold blooded and incapable of controlling their body temperature. Their body temperature is the same as the water they are in. That is why sea urchins live in waters that they are best suited for.

5. thepurpleseaurchinresource.weebly.com › reproductionReproduction/Development - The Purple Sea Urchin

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   The Purple Sea Urchin starts out as a zygote. However, mitosis begins and therefore the cells double. Once 32 cells have been made, there are many stages of development that the embryo goes through the main ones being blastula, gastrula, and pluteus. The Sea Urchin goes through three main stages.

6. purpleseaurchinreasource.weebly.com › reproductionReproduction - The purple Sea Urchin Resource

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   Purple Sea Urchins generally start to mate and reporudce when they are 2 years old. This proccess usually occurs from late winter to early spring, rolling through January, Februrary, March and April. Sea Urchins reproduce by a way called external fertilization.

7. purpleseaurchinreasource.weebly.com › digestiverespiratoryDigestive/Respiratory - The purple Sea Urchin Resource

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   How The Purple Sea Urchin Digests Food. The Purple Sea Urchin is an Echinoderms, which is composed of species of marine animals. The purple sea Urchins digestive system is not that complex, and unlike humans, there mouth is at the bottom of the body, and the anus is at the top.

8. People also ask

   What is a purple sea urchin?

   • T he Purple Sea Urchin, o r Strongylocentrotus purpuratus, is an aquatic animal and a echinoderm. This 4 inched organism has a red outer body covered with bumps and holes and bright purple spikes and tubed feet that extend from it that are used for movement and protection.

   The Purple Sea Urchin - Home

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   What is the purple sea urchins digestive system?

   • The purple sea Urchins digestive system is not that complex, and unlike humans, there mouth is at the bottom of the body, and the anus is at the top. The structure of the Sea Urchins mouth in its digestive system is called Aristotles lantern, a commonly used term when biologists are talking about these animals.

   Digestive/Respiratory - The purple Sea Urchin Resource

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   Can a purple sea urchin survive without a brain?

   • This 4 inched organism has a red outer body covered with bumps and holes and bright purple spikes and tubed feet that extend from it that are used for movement and protection. The most amazing thing, though, is that a purple sea urchin can do all it does to survive without a brain!

   The Purple Sea Urchin - Home

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   How does a purple sea urchin get oxygen?

   • Although the Purple Sea Urchin can obtain oxygen simply by staying still with water surrounding it, the way it spreads oxygen throughout the body is very unique. Instead of the respiratory system used by many organisms, the Purple Sea Urchin has a water vascular system, one of its uses being respiration.

   Respiratory System - The Purple Sea Urchin

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   Does a purple sea urchin have a water vascular system?

   • Instead of the respiratory system used by many organisms, the Purple Sea Urchin has a water vascular system, one of its uses being respiration. A water vascular system is a network of canals ending in the tubed feet of a Sea Urchin. There is also the ring canal which surrounds the mouth.

   Respiratory System - The Purple Sea Urchin

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   How does a purple sea urchin filter water?

   • The ring canal and tubed feet are part of the madreporite which is an opening used to filter water into the water vascular system. The stone canal is a tube that connects the madreporite to the ring canal. In addition, the Purple Sea Urchin has 5 pairs of external gills around its mouth. Oxygen enters through the gills and tubed feet.

   Respiratory System - The Purple Sea Urchin

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9. purpleseaurchinreasource.weebly.com › ecologyEcology - The purple Sea Urchin Resource

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   The purple Sea Urchin is a saltwater animal. The Urchin lives on the Pacific coastline, usually being found between Alaska and Mexico. The Purple Sea Urchin survives well with very high tide, which is why it lives so close to the coast.