पोरिफेश में नाल तंत्र का वर्णन कीजिए।

Question

14 Feb 2025

Answer :

Word Count : 269

### पोरिफेरा में नाल तंत्र का वर्णन

पोरिफेरा (Porifera) संघ के प्राणियों में विशेष प्रकार का नाल तंत्र (Canal System) पाया जाता है, जो जल परिसंचरण में महत्वपूर्ण भूमिका निभाता है। यह तंत्र इन प्राणियों के शरीर में जल को प्रवेश कराने, भोजन ____ _________ __________ ______ ______ ____.
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