Hox genes are often similar enough in sequence across lineages that a gene from a distant relative can be used to restore function to a mutated Hox gene, such as when a chicken Hox sequence restores function to a Drosophila Hox gene. What is the best evolutionary explanation for this

the median of the data is 4.5.

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.