Morphology & Anatomy of Frogs-Internal and External Features

Morphology and anatomy of cockroach

Morphology and Anatomy of Frog Video Lecture | Biology Class 11 - NEET

Reproduction of sea worms, polychaetes. Eggs of polychaetes in the mucous bag, Black Sea Stock Video Footage - Alamy

Polychaetes, marine worms Nereis. The fauna of the Black Sea

Segaworms - Polychaetes

Christmas tree worms are not coral or plants. They are marine polychaete worms that live permanently inside hard, calcareous tubes embedded in rock or coral. The colorful spiral “trees” you see are actually radioles, specialized feeding and breathing structures. They filter plankton and oxygen from the water, extending into the current when conditions are calm. When a shadow passes or vibration is detected, the worm retracts instantly into its tube and seals itself inside for protection. Once th

Animal Classification: A Taxonomy for All Living Things