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WorksheetsPhylum Porifera
Total questions: 20
Worksheet time: 10mins
What phylum is a sea sponge found in?
Phylum Mollusca
Phylum Cnidaria
Phylum Porifera
Phylum Arthropoda
Water enters the sponge through what?
Ostia
Osculum
Amoebocyte
Spicules
Sponges are mostly _________. This means they can produce both male and female reproductive cells.
Homeostasis
Gendered
Hermaphroditic
Hermes
These structures make up the sponge's skeleton. They provide structure and rigidity.
Choanocytes.
Amoebocytes
Spicules
Porocytes
Phylum Porifera is a division of the _________ Kingdom.
Fungi
Animalia
Plantae
Protista
What characteristics let us know that a sponge is an animal?
Cellulose Cell Wall, Autotrophic, Sessile, Multicellular
Chitonous Cell Wall, Heterotroph, Sessile, Mostly Multicellular
No cell wall, Heterotroph, Multicellular
Cell wall or No Cell wall, Heterotroph or Autotroph, Unicellular
How do sponges reproduce?
Only Sexually
Only Asexually
Asexually and Sexually
Only through fragmentation
Tube-like cells which line the pores, ostia, present on the body wall of sponges
Spicules
Porocytes
Amoebocyte
Choanocytes
Phylum Porifera is a phylum of:
Vertebrates
Invertebrates
Can differentiate into any cell and help with digestion
Spicules
Choanocytes
Amoebocytes
Porocytes
Cells that each use a flagellum to create a water current through the sponge. They also have sticky collars to catch food particles for digestion.
Spicules
Porocytes
Choanocytes
Amoebocytes
Porifera means what?
Spongebob
Filter-Feeder
Pore-Bearing
Empty
How do most sponges eat?
Engulfing
Hunting
Photosynthesis
Filter Feeding
Sponges are _______ in their adult forms.
Plankton
Sessile
Nekton
Motile
Sponges are ______ in their larval form.
Sessile
Meroplankton
Holoplankton
Nekton
During sexual reproduction, sperm is released by sponges into the water. Some of it will enter other sponges for __________ ___________ and form a __________.
internal fertilization; zygote
external fertilization; zygote
horizontal fertilization; holoplankton
external fertiliztion; holoplankton
Sponges do not have organs or even true tissues so they are considered the ______ ______ multicellular animals.
most serious
most challenging
most complex
most simple
They can live throughout the oceans from trenches to the arctic to tropical reefs.
True
False
Sponges likely evolved fairly recently. They are one of the last multicellular animals to evolve.
True
False
Sponges can reproduce asexually through what methods?
Locating a mate
Fertilization of egg cells
Budding, Fragmentation, and Gemmules
Fragmentation only
