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Porifa

Published on Nov 21, 2015

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PRESENTATION OUTLINE

1.

DEFINITION

A PHYLUM OF AQUATIC INVERTEBRATE ANIMALS THAT COMPROMISES THE SPONGES.
2.

CHARACTERISTICS

-SPONGES WERE DISCOVERED 500 MILLION YEARS AGO
3.

-SPONGES HAVE NO TISSUE OR ORGANS NOR ANY MOUTH OR GUT

-LIVING SPONGES ARE COVERED IN A BLACK COAT COVERING
4.

EXAMPLES

CANNOT MOVE FROM ONE PLACE TO ANOTHER AND HAVE FOUL SMELL, LIVE IN WATER
5.

BODY SUMMETRY & REPRODUCTION

SPONGES ARE COMPLETELY ASYMMETRIC, THEY REPRODUCE ASEXUALLY AND SEXUALY

McKenna Davidson