What is the action of sclera?

it provide support for the eyeball...It helps lubricate the eye and protect it from microbes.

hope it 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.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle