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Phylum Porifera Flashcards | StudBud
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Phylum Porifera
Phylum Porifera
30 terms
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Zoology
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
Which type of sponge is the MOST COMPLEX?
Lysosome
Leuconoid
Asconoid
Syconoid
2
The cells that have flagella and line the interior of the sponge cavity are called:
choanocytes
amoebocytes
spicules
ostia
3
Kingdom of sponges
Protist
Plantae
Animalia
Fungi
4
Sponges belong to this major animal group:
Reptiles
Porifera
Bilateria
chordates
5
Class Hexactinellida
Spicules of calcium
6 Rayed calcium spicules
Silicon 4 rayed spicules
Silicon Six rayed spicules
6
What do Sclerocytes make?
Spicules
Water move
Cells
Pores
7
Sponge level of organization is considered
Organ systems
Cellular
Tissue
Molecular
8
Spicules function
support
Water movement
Support and protection
Protection
9
Sponges have predators, they are
Sharks
Sea Turtle
Squirrel
Sea Stars and Hermit Crabs
10
Why might someone mistake a sponge for a plant?
All of the above
they don't move
they don't have a brain
they attach to things
11
Freshwater sponges
Class Demospongiae
Class Rotoferia
Class Hexactinallida
Class Calcera
12
What holds a sponge to the substrate?
Holdtight
Holdon
HolycowIneedtostudy
Holdfast
13
Class Calcarea are all EXCEPT
are all marine
live in fresh water
can have any of the three canal systems
spicules of calcium carbonate
14
Freshwater sponges are
edible and found in fine restaurants.
very complex structures.
small, slimy masses.
radially symmetrical.
15
Sponges are found in domain
Bacteria
Hexactinellida
Eukarya
Archaea
16
Class Hexactinellida are all EXCEPT
all freshwater
cylindrical or funnel shaped
mostly in deep water
all marine
17
Which of the following is incorrect
Sponges do not have tissues
Sponges do not have organs
Sponges do not have nerves
Sponges do not have specialized cells
18
Incurrent pores of a sponge
Canal
Osculum
Ostium
Bud
19
Porifera Means?
Poor Me
Pore holding
Pores
Pore Bearing
20
Which of the following is NOT a way that sponges reproduce?
asexually
budding
floating
sexually
21
Spicules are made out of:
Calcium only
Calcium or silicon
Calcium Carbonate or silica
Calcium carbonate only
22
What does it mean to say that an organism is "sessile?"
The organism cannot move
The organism reproduces sexually
The organism lives in the ocean
The organism lacks tissues or organs
23
Spicules in Class Calcera
Calcium Carbonate
Calcium
Silicon
Silicon or Calcium Carbonate
24
What do sponges rely on for food?
All of the above
The fish to swim close to them
Their instincts
The currents and tides
25
True or False: Sponges have tissues
True
False
26
The large opening at the top of the sponge is called:
flagella
pore
vacuole
osculum
27
The cells which make up the pores of the sponge, which water passes through, are called:
osculum
amoebocytes
porocytes
choanocytes
28
Water and waste materials are expelled through
the spicules.
the osculum.
the collar cells.
the porocytes.
29
The central cavity of a large sponge is called the:
Canal/atrium
amoebocyte
coelom
osculum
30
The simplest type of sponge is:
Leuconoid
Arthrocoid
Syconoid
Asconoid
