Assertion: arthropod's exoskeleton | /r/HasProperty | rigid
Facets:
Source sentences:
text: Highly developed sense organs Jointed limbs (the limbs must be jointed like the joints in a suit of armor, since the exoskeleton is rigid and cannot bend to allow movement)
text: They are covered by an exoskeleton made of chitin, a rigid polysaccharide which serves as a sort of armor and protects arthropods from drying out.
text: Exoskeleton, rigid or articulated envelope that supports and protects the soft tissues of certain animals.
text: Jointed limbs (the limbs must be jointed like the joints in a suit of armor, since the exoskeleton is rigid and cannot bend to allow movement)
text: Since the exoskeleton is rigid, it cannot grow with the animal and must be molted periodically to allow for increases in size.
text: Because the exoskeleton is hard and rigid, it does not grow with the animal.
text: Because the exoskeleton is hard and rigid, an arthropod cannot grow unless it sheds its old exoskeleton and secretes a new one.
text: Since exoskeletons are rigid, they present some limits to growth.
text: Arthropods, the most successful animal phylum, have jointed appendages, a rigid exoskeleton, and, in the case of insects, wings.