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Phylum Porifera

Phylum Porifera . Kingdom Animalia Multicellular Eukaryotic, No cell walls Heterotrophic . Porifera – “Pore Body” has many pores . Around 5,000 different species Most are Marine No Symmetry, “Asymmetrical” Range in size from 2 cm – 2 meters. Phylum Porifera . Freshwater Sponges .

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Phylum Porifera

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  1. Phylum Porifera • Kingdom Animalia • Multicellular • Eukaryotic, No cell walls • Heterotrophic

  2. Porifera – “Pore Body” has many pores • Around 5,000 different species • Most are Marine • No Symmetry, “Asymmetrical” • Range in size from 2 cm – 2 meters

  3. Phylum Porifera Freshwater Sponges

  4. Phylum Porifera Marine Sponges

  5. Simplest Animal – Multicellular, No Tissues or Organs

  6. Phylum Porifera

  7. Ancestor of Animals A colony of single celled Protists called…. “Choanoflagellates”

  8. Asexual Reproduction- budding

  9. Asexual Reproduction – Gemmules Archaeocytes = Amoebocyte These cells are “totipotent” – they are able to develop into any of the other types of sponge cells

  10. Asexual Reproduction – Regeneration

  11. Sexual Reproduction Free – Swimming, flagellated larva is called a “Planula” Sponges are “hermaphrodites” (produce both sperm and egg)

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