The given diagram represents a type of symmetry.Which of the following animal has this type of symmetry as shown in the diagram?
Correct answer: B. Option B: Starfish
- A. Option A: Butterfly
- B. Option B: Starfish
- C. Option C: Human
- D. Option D: Crab
Explanation
Symmetry in biology refers to the balanced distribution of duplicate body parts or shapes. Radial symmetry, as depicted in the diagram, is a type where body parts are arranged around a central axis. Animals like starfish, which belong to the group Echinodermata, exhibit this type of symmetry. In contrast, bilateral symmetry is characterized by a single plane that divides the body into two mirror-image halves, as seen in humans, butterflies, and crabs.Therefore, the correct answer is Option B: Starfish, because they exhibit radial symmetry, which matches the diagram provided. Options A, C, and D are incorrect because these animals exhibit bilateral symmetry.
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