What are cilia?
A. false feet
B. skinny tails
C. hairlike projections
D. temporary extensions

c. hairlike projections

Explanation:

it sweeps mucous and dirt out if our lungs.

Hope this helps :)

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.