Phyla of the Kingdom Animalia
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Questions and Answers

Which phylum includes organisms like sponges?

  • Porifera (correct)
  • Cnidaria
  • Annelida
  • Platyhelminthes

What type of organism belongs to the phylum Arthropoda?

  • Flat worms
  • Star fishes
  • Snails
  • Insects (correct)

Which of the following is a characteristic of Echinodermata?

  • Jointed legs
  • Flat body structure
  • Aquatic vertebrates
  • Radial symmetry (correct)

In which phylum would you classify leeches?

<p>Annelida (D)</p> Signup and view all the answers

Which phylum features organisms known for possessing a true coelom?

<p>Chordata (C)</p> Signup and view all the answers

Which phylum includes organisms that are typically characterized by a soft body and often a shell?

<p>Mollusca (C)</p> Signup and view all the answers

In which phylum would you find organisms that exhibit radial symmetry and often have stinging cells?

<p>Cnidaria (D)</p> Signup and view all the answers

Which of the following phyla is characterized by segmented bodies?

<p>Annelida (A)</p> Signup and view all the answers

Which phylum contains animals with a notochord at some stage of their life cycle?

<p>Chordata (A)</p> Signup and view all the answers

Which type of organism is included in the phylum Nemathelminthes/Aschelminthes?

<p>Roundworm (B)</p> Signup and view all the answers

Flashcards

Porifera

Multicellular animals with specialized cells forming simple tissues with a central cavity, but no organs or organ systems. Examples include sponges like Leucosolenia and Sycon.

Cnidaria

Animals characterized by radial symmetry, a gastrovascular cavity, and stinging cells called cnidocytes. Examples include Hydra and jellyfish.

Platyhelminthes

Bilaterally symmetrical, unsegmented worms with no body cavity. Examples include flatworms like tapeworms.

Nematoda

Bilaterally symmetrical, unsegmented worms with a pseudocoelom, or false body cavity. Examples include roundworms like Ascaris.

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Annelida

Bilaterally symmetrical, segmented worms with a true coelom. Examples include earthworms and leeches.

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What are pseudocoelomates?

Animals with a body cavity that is not completely lined by mesoderm. Examples include roundworms (Ascaris).

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What are coelomates?

Animals with a body cavity completely surrounded by mesoderm. Examples include earthworms and leeches.

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What are arthropods?

Animals with an outer skeleton made of chitin. Examples include insects, spiders, and crustaceans.

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What are molluscs?

Animals with a soft body often protected by a hard shell. Examples include snails, octopuses, and clams.

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What are chordates?

Animals with a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail at some stage in their development. Examples include fish, amphibians, reptiles, birds, and mammals.

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Study Notes

Phyla of the Kingdom Animalia

  • Porifera (Sponges): Includes examples like Leucosolenia and Sycon.
  • Coelenterata/Cnidaria: Includes organisms like Hydra and Jellyfish.
  • Platyhelminthes: Flatworms, such as tapeworms, are part of this phylum.
  • Nemathelminthes/Aschelminthes: Roundworms, exemplified by Ascaris, fall under this phylum.
  • Annelida: Earthworms and leeches are examples of annelids.
  • Arthropoda: This phylum encompasses insects, scorpions, and flies.
  • Mollusca: Snails, Pila, and octopuses are mollusks.
  • Echinodermata: Starfish are a characteristic member of this group.
  • Hemichordata: Balanoglossus is a member of this phylum.
  • Chordata: Contains vertebrates like fish, snakes, birds, and monkeys.

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Description

Explore the diverse phyla within the Kingdom Animalia, from sponges to chordates. This quiz will test your knowledge of various animal groups, their characteristics, and examples. Challenge yourself to identify and classify different animals in their respective phyla.

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