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Phylum Porifera

Phylum Porifera

Phylum Porifera

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V,5)(1%/B(3'<br />

•!Sexual<br />

•!most sponges are<br />

hermaphrodites<br />

!!at an appropriate time sperm<br />

are spawned from one sponge<br />

and transported by water currents<br />

to another, in which fertilization<br />

occurs<br />

!!sperm are modified<br />

choanocysts, whereas eggs are<br />

either modified archaeocysts or<br />

choanocysts<br />

Sperm release –<br />

“smoking sponge”

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