Comparing the physical features of the three types of skeletons
Endoskeleton :
Less Flexible than cartilage
Exoskeleton :
very rigid and hard
Hydrostatic skeletons :
Less rigid and very flexible
The endoskeleton is the internal skeleton present in vertebrates in the form of bones which enables the movement of animals while supporting the organs of the body to remain in position. they are less flexible when compared to cartilage. Exoskeletons are outer skeletons which protect organisms and also enables them to move freely. They are very rigid and hard.
Hence we can conclude that the comparison between the types of skeletons are as listed above.
Learn more about the types of skeletons : https://brainly.com/question/8196488
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