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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About Kingdom Animalia
Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.
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