QQuestionBiology
QuestionBiology
What is the primary difference between the Ecdysozoa and the Lophotrochozoa?
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Answer
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Step 1I'll solve this problem by breaking down the key characteristics of these two major animal superphyla.
Step 2: Define Ecdysozoa
The Ecdysozoa is a superphylum of animals characterized by: - Molting (ecdysis) as a key developmental feature - Includes phyla such as: - Arthropoda (insects, crustaceans) - Nematoda (roundworms) - Tardigrada (water bears) - Possess a hard exoskeleton that must be periodically shed to allow growth
Final Answer
The primary difference between Ecdysozoa and Lophotrochozoa is their developmental strategy, with Ecdysozoa characterized by periodic molting and exoskeleton shedding, while Lophotrochozoa are defined by unique feeding structures and larval stages.
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