Invertebrates

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  • Created by: ppogba
  • Created on: 11-07-19 16:02
What phylum appear in clade Parazoa (+ give examples)? How many species within?
Phylum Porifera (sponges). 5000-10,000
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What phylum in clade Radiata (+ eg)? How many species?
Phylum Cnidaria (jellyfish, corals). 10,000
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Give 2 main characteristics of animals belonging to clade Radiata?
Radial symmetry and Diploblastic
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What is a Choanocyte?
specialist feeding cell located on inside of sponges.
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the 2 forms of phylum cnidaria and what do they mean?
Polyp (mouth up-anemone) and Medusa (mouth down-jellyfish)
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4 classes of phylum cnidaria?
Hydrozoan, Cubozoan, Scyphozoan, Anthozoan
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2 groups of Protostomes.
Lophotrochozoa and Ecdysozoa
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phylum Platyhelminthes are part of the clade Lophotrochozoa. What animals appear here and how many species?
Flatworms- planarians, tapeworms. 20,000 species.
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Name the 3 classes of Platyhelminthes?
Class Turbellaria, Class Trematoda, Class cestoidea.
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What is the phylum of Lophotrochozoa that contains segmented worms? How many species?
Phylum Annelida. 12,000 species.
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Name the 3 classes of Annelids
Class Oligochaeta (earthworms). Class Polychaeta (marine segmented worms). Class Hirudinea (leeches).
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What phylum from the Lophotrochozoans contains snails, clams and squids? How many species?
Phylum Mollusca. 50,000 species.
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What class in phylum Mollusca contains snails, limpets and slugs? How many species?
Class Gastropoda. 40,000 species
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In phylum Mollusca, what animals are in class Bivalvia? How many species?
Clams and Oysters. 7000 species
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What class in phylum Mollusca contains squid and octopus? How many species?
Class Cephalopoda. 600 species.
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Ecdysozoans undergo ecdysis. What does this mean?
shedding of exoskeleton outgrown by the animal.
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What are the 2 phyla from the protostome Ecdysozoa? Give examples of animals from each phyla and how many species in each.
Nematoda (roundworms, 90,000 species). Arthropoda (lobsters, spiders and insects, 1 million species).
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Name the 4 subgroups of phylum Arthropoda.
Trilobites, Chelicerates, Crustacea, Uniramia.
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What does the arthropoda subgroup Chelicerates contain?
spiders, horseshoe crabs, ticks
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What does the arthropoda subgroup Crustacea contain? How many species?
lobsters and crabs. 40,000 species.
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The subgroup Uniramia contains the arthropods with unbranched appendages. Name 3 of the classes in this subgroup?
Chilopoda (centipedes). Diplopoda (millipedes). Class Insecta (Hexapoda).
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Card 2

Front

What phylum in clade Radiata (+ eg)? How many species?

Back

Phylum Cnidaria (jellyfish, corals). 10,000

Card 3

Front

Give 2 main characteristics of animals belonging to clade Radiata?

Back

Preview of the front of card 3

Card 4

Front

What is a Choanocyte?

Back

Preview of the front of card 4

Card 5

Front

the 2 forms of phylum cnidaria and what do they mean?

Back

Preview of the front of card 5
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