Which is the final product of ecological succession?
A. climax community
B. ecosystem
C. secondary succession

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?