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By: Eugene Shenderov

Rhizopoda. By: Eugene Shenderov.

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By: Eugene Shenderov

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  1. Rhizopoda By: Eugene Shenderov

  2. Radiolarians have mineral skeletons, which stay after the creature has died; they live in the ocean. Many of them are symmetrical. “The main class of radiolarians are the Polycystinea, which produce siliceous skeletons. These include the majority of fossils. They also include the Acantharea, which produce skeletons of strontium sulfate” Wikipedia. • http://www.youtube.com/watch?v=OcOKzxpLkpE

  3. Amoebas are usually found in freshwater, and have no mineral skeleton. They move through the use of pseudopods. They have one main one on the posterior and many secondary ones. • http://www.youtube.com/watch?v=XYCrNHrepYE

  4. Heliozoans are similar to Radiolarians, but do not have as complex a structure; they just have “microtubule supported projections called axopods” (Wikipedia). They live in both freshwater and saltwater. • http://www.youtube.com/watch?v=aSdFbZo4egU

  5. Where do Heliozoans live? • What are the structural differences between Heliozoans and Radiolarians? • How do amoebas move? • Why do Radiolarians have mineral skeletons? • What advantage do Heliozoans have over Amoebas?

  6. Answers: • Fresh and Salt water. • Heliozoans only have axopods, not the full mineral structure of Radiolarians. • Using pseudopods. • To protect them in the wild. • Heliozoans have appendages and a rudimentary exoskeleton type thing which allows for better organization of body parts.

  7. Works Cited • http://en.wikipedia.org/wiki/Main_Page

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