Question

Match the terms to these definitions.
gastrovascular cavity, coelom, tube-within-a-tube body plan, pseudocoelom, sac body plan, schizocoelom, metamorphosis, segmentation, aemocoel, homeothermic, poikilothermal, notochord,
deuterostome, vertebral column, protostome
..........Repetition of body units as seen in the earthworm.

Answer 1

segmentation