Porifera and Cnidaria Flashcards

1
Q

Animal Kingdom: Major Characteristics

A
  1. Eukaryotic
  2. Heterotrophic
  3. Multicellular
  4. No cell wall
  5. Nervous and muscle tissues (in most)
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2
Q

Parazoa

A

(lack tissues): Porifera

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3
Q

Eumetazoa

A

(possess tissues): All other phyla

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4
Q

No symmetry

A

Porifera

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5
Q

Radiata

A

Cnidaria

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6
Q

Bilateria

A

Platyhelminthes, Nematoda, Mollusca, Annelida, Arthropoda, Echinodermata (as larvae)

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7
Q

Diploblastic

A

Cnidaria

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8
Q

Triploblastic

A

All other Bilateria phyla

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9
Q

Acoelomate

A

Platyhelminthese

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10
Q

Pseudocoelomate

A

Nematoda

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11
Q

Coelomate

A

Mollusca, Annelida, Arthropoda, Echinodermata, Chordata

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12
Q

Protostome

A

Mollusca, Annelida, Arthropoda

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13
Q

Deuterostome

A

Echinodermata, Chordata

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14
Q

Invertebrate

A

All animals except subphylum Vertebrata of phylum Chordata

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15
Q

Vertebrate

A

Only subphylum Craniata (except Class Myxini

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16
Q

Porifera

A

A collection of cells – relatively independent
Suspension feeders – spongocoel and osculum
Cell types
Choanocytes – collar cells
Amoebocytes – pseudopodia – take up food from water and choanocytes – produces spicules CaCO3, SiO2 and spongin (protein)
Reproduction – sexual – hermaphrodic

17
Q

Phylum Porifera - Class Calcarea

A

Calcareous Sponge

Spicules – CaCO3

18
Q

Phylum Porifera - Class Hexactiellida

A

Glass Sponge

Spicules – SiO2

19
Q

Phylum Porifera Grantia

A

Calcareous Sponge

Spicules – CaCO3

20
Q

Phylum Porifera – Class Demospongia

A

Bath Sponge

Spicules - Spongin

21
Q

Phylum Cnidaria Class Hydrozoa

A

– polyp body form – fresh water and marine - free living and colonial – polyp dominate body form – microscopic medusa - cindocytes/nematocysts – Hydra and Physalia (Portuguese man of war

22
Q

Phylum Cnidaria Class Scyphozoa

A

polyp and medusa body form – medusa dominate body form – polyp reduced or absent – all marine - cindocytes/nematocysts – Aurelia (Moon Jellyfish)

23
Q

Phylum Cnidaria Class Cubozoa

A

box shaped medusa – no polyp body form – all marine - cindocytes – deadly poison – complex eyes – Box Jellyfish

24
Q

Phylum Cnidaria Class Anthozoa

A
  • polyp body form – medusa stage absent – marine – many colonial – includes sea anemones and corals -Metridium (Sea Anemone), Corals