Do you have choices to choose from? If mechanical weathering is in the choices (if you have them) then it would be mechanical weathering
The bones and skin protect the animal body
The presence of homologous structures in different organisms suggest that theseorganisms are related and have evolved from a common ancestor. It is when comparing the embryos of different organisms to find similarities among them.
The answer possibly could be a drought but I’m not 100%
Answer:
Ciliated cells are adapted in the respiratory tract to form an epithelial lining of coordinated metachronal ciliary activity that provides the propelling force for the transport of mucus along the airways.
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