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supports holds up; maintains
framework a supportive structure
expand to grow or get bigger
affect to impact; to make a difference
flexible loose; bendable; able to change
hinge a type of joint that moves in one direction
survive to live and/or stay alive
spongy soft; like a sponge
ability the power or capability to do something
vary to differ; to be different in some way
hollow empty; having a vacant or empty space inside
sturdy strong; supportive
fossils bones; remains of something that was once living
ancient old; from very long ago
detach to break apart from something
tissue the soft material that forms parts in a plant or animal
segments sections; parts of something
armor protection; an outer covering
Created by: LaurenMcC