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ZOOLEC > PORIFERA > Flashcards

PORIFERA Flashcards

1
Q

Porrus -
ferre -

A

porrus - pore
ferre - to bear

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2
Q

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

A

c. Choanocyte

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3
Q

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

A

a. spicules

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4
Q

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

A

d. Both A and C

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5
Q

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

A

b. Calcispongiae

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6
Q

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

A

a. Hexactinellida

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7
Q

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

A

b. Calcispongiae

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8
Q

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

A

c. Demospongiae

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9
Q

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

A

b. Calcispongiae

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10
Q

What are the canal systems of Porifera?

A

Asconoid, Leuconoid and Syconoid

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11
Q

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

A

a. Asconoid

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12
Q

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

A

b. Leuconoid

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13
Q

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

A

c. Syconoid

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14
Q

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

A

a. Asconoiod

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15
Q

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

A

d. Both B and C

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16
Q

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

A

b. spongin

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17
Q

Asexual Reproduction in Porifera

A

Fragmentation and Bud formation

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18
Q

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

A

a. external buds

19
Q

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

A

b. internal buds

20
Q

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

A

c. gemmule

21
Q

Most sponges are _____
a. monoecious
b. dioecious

A

a. monoecious

22
Q

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

A

c. all of the above

23
Q

Most sponges are also ______
a. viviparous
b. spongebob

A

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

24
Q

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

A

b. viviparous

25
Q

spongebob is a

A

sea sponge

26
Q

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

A

a. oviparous

27
Q

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

A

parenchymula larvae

28
Q

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

A

c. 6

29
Q

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

A

b. Demospongiae

30
Q

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

A

a. Calcispongiae

31
Q

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

A

c. Hexactinellida

32
Q

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

A

a. Calcispongiae

33
Q

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

A

b. Demospongiae

34
Q

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

A

b. Demospongiae

35
Q

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

A

a. Calcispongiae

36
Q

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

A

a. Calcispongiae

37
Q

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

A

c. Hexactinellida

38
Q

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

A

b. Demospongiae

39
Q

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

A

c. Hexactinellida

40
Q

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

A

c. Hexactinellida

41
Q

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

A

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

42
Q

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

A

collagen

43
Q

Sponge have ______ and some form gastrula stages like many animals

A

blastula

ZOOLEC (6 decks)

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