Back to Questions
Want to know:
As the arthropod ancestors underwent "arthropodization,"their circulatory system became closed.their hemocoel took on a new function as a hydrostatic skeleton.there was an expansion of surfaces for respiration and excretion.Intersegmental septa became unnecessary.a closed circulatory system became necessary.
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Sparky adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- "The two of us explored the Louisiana Territory, all the way to the Pacific."
- Quest'era un cavalier bravo e galante,filosofo poeta e bacchettonech'era fuor de' perigli un Sacripante,ma ne' perigli un pezzo di polmone.Spesso ammazzato avea qualche gigante,e si scopriva poi ch'era un cappone,onde i fanciulli dietro di lontanogli soleano gridar: - Viva Martano -.
- Which statement describes what happens once equilibrium is reached between the interior of a vesicle and the surrounding solution?