A group of biology students on excursion to Goa beaches collected the following animal samples.
While they were putting the animals in the jar with sea water, they noticed that one of the animal's 1/3rd body part was missing. The injured animal (with only 2/3rd of its body) was brought to the lab and was allowed to grow in the laboratory in appropriate condition. To their surprise the lost body part of the animal had regenerated. Which of the above animal would have been collected ?
(a) Planaria
(b) Hermit crab
(c) Sepia
(d) Sea anemone
