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Questions and Answers
Which of the following is NOT one of the eleven organ systems found in metazoans?
Which of the following is NOT one of the eleven organ systems found in metazoans?
- Endocrine
- Respiratory
- Excretory
- Spherical (correct)
Which type of symmetry can be divided into similar halves by more than two planes passing through the longitudinal axis?
Which type of symmetry can be divided into similar halves by more than two planes passing through the longitudinal axis?
- Spherical symmetry
- Comb jellies
- Radial symmetry (correct)
- Biradial symmetry
Which type of symmetry is rare in animals and occurs in unicellular forms?
Which type of symmetry is rare in animals and occurs in unicellular forms?
- Biradial symmetry
- Comb jellies
- Spherical symmetry (correct)
- Radial symmetry
Which type of symmetry can be produced by only two planes passing through the longitudinal axis?
Which type of symmetry can be produced by only two planes passing through the longitudinal axis?
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What is the basal attachment disc called in sessile forms with radial symmetry?
What is the basal attachment disc called in sessile forms with radial symmetry?
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