Phylum porifera
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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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Phylum porifera

Phylum Porifera

  • Kingdom Animalia

  • Multicellular

  • Eukaryotic, No cell walls

  • Heterotrophic


Porifera pore body has many pores

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 porifera1

Phylum Porifera

Freshwater Sponges


Phylum porifera2

Phylum Porifera

Marine Sponges


Simplest animal multicellular no tissues or organs

Simplest Animal – Multicellular, No Tissues or Organs


Phylum porifera3

Phylum Porifera


Ancestor of animals

Ancestor of Animals

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


Asexual reproduction budding

Asexual Reproduction- budding


Asexual reproduction gemmules

Asexual Reproduction – Gemmules

Archaeocytes = Amoebocyte

These cells are “totipotent” – they are able to develop into any of the other types of sponge cells


Asexual reproduction regeneration

Asexual Reproduction – Regeneration


Sexual reproduction

Sexual Reproduction

Free – Swimming, flagellated larva is called a “Planula”

Sponges are “hermaphrodites” (produce both sperm and egg)


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