Which of the following describes the findings in the early experiments looking at the relationships between birch and fir trees? the presence of birch trees is detrimental to the growth of trees both and birch are capable of sending carbon to eachother underground O fir trees shade the birch trees and prevent their growth birch trees outcompete fir trees for nutrients

complete the square on the right side of the equation;

-5(x + 0)^2 + 15

answer: d. y = -x^2 + 15

not the best question format lol but what i think might as scale color is controlled by a single gene with two alleles, the green allele and the yellow allele. when moths that are homozygous for green scales are mated with moths that are homozygous for yellow scales, 100% of the offspring have green scales.