Which of the following is NOT a member of the Arthropoda phylum?
- AOption (a)
Locust
- BOption (b)
Butterfly
- COption (c)
Prawn
- DOption (d)
Pila
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Correct answer
Pila
Why this answer is correct
The Correct Answer is Plia.
Key Points
- The correct answer is option 4 (Pila), which is not a member of the Arthropoda phylum.
- Arthropoda is the largest phylum in the animal kingdom which includes creatures like locusts, butterflies, and prawns.
- Pila belongs to the phylum Mollusca, not Arthropoda. It is a genus of air-breathing freshwater snails.
- Members of the Arthropoda phylum are characterized by their jointed limbs and chitinous exoskeleton which is periodically shed or molted.
- Arthropods play crucial roles in ecosystems and human economy, serving as pollinators, decomposers, and a source of food.
Additional Information
| Characteristic | Description |
|---|---|
| Diversity | Arthropoda is the most diverse phylum in the animal kingdom, with over a million described species. |
| Subphyla | Includes Crustacea (crabs, lobsters, prawns), Hexapoda (insects), Myriapoda (centipedes, millipedes), and Chelicerata (spiders, scorpions). |
| Habitats | Arthropods can be found in virtually every habitat on Earth, from deep sea to high mountains. |
| Exoskeleton | The exoskeleton is made of chitin and provides protection, support, and assists in locomotion. |
| Economic Importance | Arthropods are vital for pollination, as food sources, and in controlling pest populations. |