even though hydra is a movable then why does it have Basal disc
Dear student,
Not all forms of Hydra is movable. The polyp form of Hydra must find a suitable substratum and attach itself to it in order to survive. Basal disc helps it in this function.
Regards.
Not all forms of Hydra is movable. The polyp form of Hydra must find a suitable substratum and attach itself to it in order to survive. Basal disc helps it in this function.
Regards.