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Question
The presence of compound eyes is characteristic of which phylum?
The presence of compound eyes is characteristic of which phylum?
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Solution
The correct option is D Arthropoda
- Arthropoda is the largest phylum of the animal kingdom.
- Animals of this phylum have sensory organs like antennae, eyes (compound and simple), and statocysts or balance organs.
- A compound eye is a visual organ found in arthropods such as insects and crustaceans. That simply means they have many lenses and can see many things in many directions all at the same time.
- Compound eyes are made up of repeating units, the ommatidia, each of which functions as a separate visual receptor.
- Whereas members of the phylum Mollusca, Nemathelminthes, and Echinodermata have simple eyes.
Thus, the correct answer is option D.
- Arthropoda is the largest phylum of the animal kingdom.
- Animals of this phylum have sensory organs like antennae, eyes (compound and simple), and statocysts or balance organs.
- A compound eye is a visual organ found in arthropods such as insects and crustaceans. That simply means they have many lenses and can see many things in many directions all at the same time.
- Compound eyes are made up of repeating units, the ommatidia, each of which functions as a separate visual receptor.
- Whereas members of the phylum Mollusca, Nemathelminthes, and Echinodermata have simple eyes.
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