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Which correctly describes the set of clades that

contain the arthropods, from largest to smallest?

Sagot :

Complete question:

Which correctly describes the set of clades that contain the arthropods, from largest to smallest?

  1. Archaea: Eukaryotes: Opisthokonts: Animals: Protostomes Ecdysozoa: Arthropods
  2. Eukaryotes: Opisthokonts: Nuclearia: Animals: Protostomes Ecdysozoa: Arthropods
  3. Eukaryotes: Opisthokonts: Animals: Deuterostomes Ecdysozoa: Arthropods
  4. Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods

Answer:

4. Eukaryotes: Opisthokonts: Animals: Protostomes: Ecdysozoa: Arthropods

Explanation:

Taxonomy is the study of different organisms, their classification into categories according to their morphological and molecular characteristics and their evolutionary relationships, and assigning to each them a binomial name.  

  • The eukarya domain is composed of all the unicellular or pluricellular organisms that have eukaryotic cells that characterize by having a well-defined nucleus surrounded by a complex biological membrane. They also present organelles delimitated by membranes. These organisms reproduce asexually and sexually.  
  • Animalia Kingdom: Includes different phyla closely relates.
  • The embryonary development of bilateral coelom animals makes a place for the division of two groups: protostomes and deuterostomes. Among protostomes might be mentioned the flatworms, annelids, mollusks, and arthropods. Protostomes show spiral initial segmentation, and the mouth develops as a first opening near the blastopore.  
  • Ecdysozoan Superphylum: Their bodies are covered by a cuticle that provides protection. They have a complete digestive system. They might reproduce sexually and asexually.
  • Phylum Arthropoda: Invertebrates characterized for having an exoskeleton, a segmented body, and articulated appendixes. A very diverse group with many different characteristics.
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