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Synedra (Diatoms)

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Kaitlyn Ates

on 20 September 2013

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Transcript of Synedra (Diatoms)

Synedra (Diatoms)
Cell Type
Unicellular or Multicellular?

Diatoms are a major food resource for marine and freshwater microorganisms and animal larvae.
Fun Facts
When diatoms reproduce, they get smaller in size.
Diatoms strengthen hair, nails, gums, and teeth.
Many species of diatoms stay connected after the cells divide. They form colonies.
The brown scrum you see on the rocks in the streams is probably diatoms.
Diatoms were discovered in 1702 by Anton van Leeuwenhoek.
25,000 species of diatoms have been found.
Cell Wall? What Is It Made Of?
The cell wall is made of Silica. Another name for this is "frustule."
How Does It Obtain Energy?
Diatoms get energy from the sun to use in the process of photosynthesis.
Is It Mobile or Immoblie?
Diatoms are mobile. They have crystals that hydrate and stick to surfaces. When the crystals contract, they move the diatom.
Asexual or Sexual?
Ecological Importance
Economic importance
Swimming Pool Filters
Killing Insects
Reduce High Blood Pressure
By: Kaitlyn Ates
Lexi Walker
Sharde Turman
Full transcript