collagen fibers, I hope this was helpful to you :)
Answer:
Snakes slither to move around because they have no legs. They rely on their muscles and scales... The scales drag against the ground to help move the snack forward. Finch said that a snack 's strong muscles help it lift some scales and allow it to move allow rough surfaces like branches and trees.
Explanation:
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A - the paper can be burned
this is irreversible
being irreversible is a chemical property
A- the antlers and horns are structural adaptations. The fighting is a behavioral adaptation.
Antlers and horns are physical adaptations that some mammals have acquired over time. However, fighting is not a physical feature but a behavioral adaptation used to beat other males during mating season.
