The class of phylum arthropoda that lacks antennae and true jaws is:
Correct answer: C. Arachnida
- A. Insecta
- B. Crustacea
- C. Arachnida
- D. Myriapoda
Explanation
The phylum Arthropoda is divided into several classes, each with unique characteristics. Arachnida is a class that includes organisms such as spiders, scorpions, ticks, and mites. Unlike other arthropods, arachnids lack antennae and true jaws; instead, they have chelicerae that are used for feeding.
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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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