morphology of fossils 0.0 / 5 ? GeologyEcdysisA2/A-levelOCR Created by: hollywoodthings1996Created on: 11-06-15 18:08 Ecdysis the exoskeleton couldn't grow but at various times would be shed, a process called ecdysis. the exoskeleton fractured along lines of weakness, such as the facial suture. facial suture: this seperated the fixed cheek from the free cheek along the visual surface of the eye. the animal was then able to free itself. after there would have been a period of rapid growth, before the new exoskeleton was completely formed. ecdysis left the animal vulberable to predators as the skeleton was temporaryily flexible to allow stretching to accomodate a larger animal. 1 of 1
Comments
No comments have yet been made