PORIFERA Flashcards by secret walang clue

Porrus -
ferre -

porrus - pore
ferre - to bear

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A specialized cells of Porifera that filters water and movement of the water
a. Spicules
b. Flagellum
c. Choaocyte

c. Choanocyte

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unique feature that provides structure and it depends on the class
a. spicules
b. flagellum
c. choanocyte

a. spicules

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Which class has siliceous spicules?
a. Hexactinellida
b. Calcispongiae
c. Demospongiae
d. Both A and C

d. Both A and C

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Which class has calcareous spicules?
a. Hexactinellida
b. Calcispongiae
c. Demospongiae
d. Both A and C

b. Calcispongiae

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Spicule form of Euplectella
a. Hexactinellida
b. Calcispongiae
c. Demospongiae

a. Hexactinellida

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Spicule form of Leucosolenia
a. Hexactinellida
b. Calcispongiae
c. Demospongiae

b. Calcispongiae

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Spicule form of Euspongia Officinallis
a. Hexactinellida
b. Calcispongiae
c. Demospongiae

c. Demospongiae

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Spicule form of Grantia and Sycon
a. Hexactinellida
b. Calcispongiae
c. Demospongiae

b. Calcispongiae

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What are the canal systems of Porifera?

Asconoid, Leuconoid and Syconoid

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Simplest canal system
a. Asconoid
b. Leuconoid
c. Syconoid

a. Asconoid

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Most complex canal system
a. Asconoid
b. Leuconoid
c. Syconoid

b. Leuconoid

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canal system of Sycon and Euplectella
a. Asconoid
b. Leuconoid
c. Syconoid

c. Syconoid

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canal system of Leucosolenia
a. Asconoid
b. Leuconoid
c. Syconoid

a. Asconoiod

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Has a Leuconoid canal system
a. Sycon
b. Grantia
c. Spongia Officinalis
d. Both B and C

d. Both B and C

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protein, gives flexibility to the sponge
a. choanocyte
b. spongin
c. spicules

b. spongin

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Asexual Reproduction in Porifera

Fragmentation and Bud formation

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breaks off with their parents and become a sponge of their own
a. external buds
b. internal buds
c. fragmentation

a. external buds

small growth, can detach and then attach to a substratum
a. external buds
b. internal buds
c. fragmentation

b. internal buds

when the sponge dies, ______ survives because of spicules
a. porocytes
b. nucleus
c. gemmule

c. gemmule

Most sponges are _____
a. monoecious
b. dioecious

a. monoecious

gametes develop from
a. choanocytes
b. archaeocytes
c. all of the above

c. all of the above

Most sponges are also ______
a. viviparous
b. spongebob

a. viviparous (sorry wala na ako maisip na choices)

zygote is retained within parent and provided with nourishment until it is released as a ciliated larva, one sponge releases sperm which enter the pores of another sponge, choanocytes that phagocytize the sperm and transport it through mesohyl&raquo_space;> oocytes to form zygotes
a. oviparous
b. viviparous

b. viviparous

spongebob is a

sea sponge

sponges release both sperm and oocytes into water for external fertilization a. oviparous b. viviparous

a. oviparous

The free-swimming larva of most sponges is a solid-bodied _________

parenchymula larvae

Hexactinellida has __ rays a. 9 b. 7 c. 6

c. 6

Spicules not with 6 rays a. Calcispongiae b. Demospongiae c. Hexanctinellida

b. Demospongiae

spicules are straight (monoaxons) or have three or four rays a. Calcispongiae b. Demospongiae c. Hexanctinellida

a. Calcispongiae

AKA Class Hyalospongiae a. Calcispongiae b. Demospongiae c. Hexanctinellida

c. Hexactinellida

most are small with tubular or vase shapes a. Calcispongiae b. Demospongiae c. Hexanctinellida

a. Calcispongiae

contains 95% of living sponge species and most large sponges a. Calcispongiae b. Demospongiae c. Hexanctinellida

b. Demospongiae

All marine except for Spongillidae, the freshwater sponge a. Calcispongiae b. Demospongiae c. Hexanctinellida

b. Demospongiae

Many are drab in color, but some are bright yellow, green, red or lavender a. Calcispongiae b. Demospongiae c. Hexanctinellida

a. Calcispongiae

Asconoid, syconoid, leuconoid a. Calcispongiae b. Demospongiae c. Hexanctinellida

a. Calcispongiae

nearly all are deep sea forms a. Calcispongiae b. Demospongiae c. Hexanctinellida

c. Hexactinellida

spicules are siliceous but not six rayed and may be absent or bound together by spongin a. Calcispongiae b. Demospongiae c. Hexanctinellida

b. Demospongiae

most are radially symmetrical with vase or funnel shaped bodies attached by stalks of root spicules onto the substrate a. Calcispongiae b. Demospongiae c. Hexanctinellida

c. Hexactinellida

Have syncytial cell structure a. Calcispongiae b. Demospongiae c. Hexanctinellida

c. Hexactinellida

True or False Sponges share many traits with other animals but are not considered as sister taxon

False Sponges share many traits with other animals and are considered as sister taxon

Some sponges have basement membrane with _____ and adheres junctions with cadherin molecules that connect epithelial cells

collagen

Sponge have ______ and some form gastrula stages like many animals

blastula