Apurebred wingless red eyed fruit fly is crossed with a purebred winged sepia-eyed fruit fly to produce f1 flies. the f1 flies are crossed to produce f2 flies. what is the phenotypic ratio of the f2 flies

The genotypes are all of them and the phenotypes are every option that has at least 1 capital letter. The genotypes are internal features and the phenotypes are the features that are visibly present.

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

ice cream

explanation: