निम्नलिखित में से उस जीव की पहचान करें जिसमें कोई विशिष्ट परिसंचरण तंत्र (circulatory system) नहीं होता है:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?