Predict how the absence of phytoplankton in the coral reef could affect the entire community

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.

what is the statement?

1. is geographic distribution

2 is increasing complexity

3 is transitional forms