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most porifera are?

sessile metazoan animals, they do not move

how do porifera feed?

they are sessile feeders

Name the classes of porifera?

1. Class Calcarea 2. Class Demospongiae 3. Class Hexactinellida

The outer surface of porifera is called?

pinacoderm

pinacoderm is made of?

Pinacocytes

The inner surface of porifera is called?

choanoderm

choanoderm is made up of?

Choanocytes

Are porifera symmetrical or assymerical?

symmetrical

porifera are the most __________ of all multicellualr animals?

primitive

mesohyl is found between?

choanoderm and Pinacoderm

choanacytes are also called?

collar cells

Archaeocytes are?

Amoebocytes

Demodpongiae

Demodpongiae is the largest class in the phylum Profera.

where is collagen found?

it is found between the inner canals and chambers of meohyl

how do sponges reproduce sexually?

Sponges are hermaphrodite with male and female cells

how do sponges reproduce?

sexually, asexually and regeneration