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Questions and Answers
What is the class of animals within phylum Cnidaria that includes sea pens, sea daisies, and corals?
What is the class of animals within phylum Cnidaria that includes sea pens, sea daisies, and corals?
- Cubozoa
- Anthozoa (correct)
- Hydrozoa
- Scyphozoa
Which class of animals has individuals with a sting toxic enough to kill humans?
Which class of animals has individuals with a sting toxic enough to kill humans?
- Hydrozoa
- Cubozoa (correct)
- Scyphozoa
- Anthozoa
What is the form of cnidarians that is free-swimming and umbrella-shaped?
What is the form of cnidarians that is free-swimming and umbrella-shaped?
- Medusa (correct)
- Polyp
- Colonial
- Siphonophore
What characteristic assists a typical cnidarian in defense and prey capture?
What characteristic assists a typical cnidarian in defense and prey capture?
How many clades make up the Bilateria group of animals?
How many clades make up the Bilateria group of animals?
In which form of cnidarians is the mouth surrounded by tentacles?
In which form of cnidarians is the mouth surrounded by tentacles?
What is the unique stinging intracellular structure found in cnidarians?
What is the unique stinging intracellular structure found in cnidarians?
Which body form of a cnidarian is characterized by a cylindrical body with tentacles around its mouth?
Which body form of a cnidarian is characterized by a cylindrical body with tentacles around its mouth?
What is the free-swimming, umbrella-shaped form of a cnidarian called?
What is the free-swimming, umbrella-shaped form of a cnidarian called?
Which class of cnidarians includes sea anemones and sea pens?
Which class of cnidarians includes sea anemones and sea pens?
What is the main function of nematocysts in cnidarians?
What is the main function of nematocysts in cnidarians?
Which clade includes animals with true tissues and body symmetry?
Which clade includes animals with true tissues and body symmetry?
What is the term for the free-swimming form of cnidarians that is umbrella-shaped with a mouth on the concave underside?
What is the term for the free-swimming form of cnidarians that is umbrella-shaped with a mouth on the concave underside?
Which phyla belong to the Deuterostomes group?
Which phyla belong to the Deuterostomes group?
What are the two major clades of protostomes?
What are the two major clades of protostomes?
What is a characteristic of cnidarians?
What is a characteristic of cnidarians?
What are the advantages of having a body cavity in animals?
What are the advantages of having a body cavity in animals?
What term is used for members of phylum Ctenophora?
What term is used for members of phylum Ctenophora?
Which phylum is characterized by having species with a primitive nervous system and lacking a digestive cavity?
Which phylum is characterized by having species with a primitive nervous system and lacking a digestive cavity?
In the context of Bilaterian classification, which group is traditionally classified based on the condition of their coelom?
In the context of Bilaterian classification, which group is traditionally classified based on the condition of their coelom?
What clade is characterized by members with true tissues and body symmetry?
What clade is characterized by members with true tissues and body symmetry?
Among the following options, which one is a part of the Protostomes group based on molecular evidence?
Among the following options, which one is a part of the Protostomes group based on molecular evidence?
Which group is characterized by bilateral symmetry, allowing for high levels of specialization?
Which group is characterized by bilateral symmetry, allowing for high levels of specialization?
Which of the following phyla is characterized by having a flattened body and no body cavity?
Which of the following phyla is characterized by having a flattened body and no body cavity?
Bryozoans, also known as moss animals, are members of which major animal group?
Bryozoans, also known as moss animals, are members of which major animal group?
Which of the following is a key characteristic of the Cnidaria phylum?
Which of the following is a key characteristic of the Cnidaria phylum?
Which of the following is a major clade of the Protostomes?
Which of the following is a major clade of the Protostomes?
Which phylum is considered to be the most basal, or primitive, bilaterian animals?
Which phylum is considered to be the most basal, or primitive, bilaterian animals?
Which of the following is a characteristic of Cnidarians?
Which of the following is a characteristic of Cnidarians?
Which of the following is a characteristic of Platyhelminthes?
Which of the following is a characteristic of Platyhelminthes?
What is the distinguishing feature of Bryozoa?
What is the distinguishing feature of Bryozoa?
Which of the following is a characteristic of Cnidaria?
Which of the following is a characteristic of Cnidaria?
Which of the following is a characteristic of Protostomes?
Which of the following is a characteristic of Protostomes?
What is a distinguishing feature of Acoelomorpha?
What is a distinguishing feature of Acoelomorpha?
Which of the following is a characteristic of Deuterostomes?
Which of the following is a characteristic of Deuterostomes?
