Porifera Flashcards by Kanishka Motiramani | Brainscape

Q

symmetry

A

asymmetrical

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Q

level of organisation

A

cellular

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Q

water enters through ____________ into _____________ and goes out through __________

A

ostia
spongocoel
osculum

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Q

cells on inner layer are called

A

choanocytes / collar cells

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Q

is digestion intracellular or extracellular

A

intracellular

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Q

skeleton made of

A

spicules / spongin fibres

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Q

sex

A

hermaphrodite

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Q

asexual reproduction by

A

fragmentation

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Q

fertilisation is internal or external?

A

internal

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Q

is development direct or indirect?

A

indirect

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Q

examples

A

sycon
spongilla
euspongia

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Q

common name for sycon

A

scypha

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Q

common name for spongilla

A

fresh water sponge

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Q

common name for euspongia

A

bath sponge

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