Which organisms between W, X,Y, and Z represent a secondary consumer

Ais a group of individuals of the same that exist together in the same place at the same time

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino