How does allele frequency and genotype frequencies changes between generations
in the end, they found out that the allele frequency and the genotype frequency will remain constant from generations if evolution is absent.
I Believe This Is The Answer :)
Your answer would be C :))
hope that helped :))
Answer: "To move substances against a concentration or electrochemical gradient, a cell must use energy. Active transport mechanisms do just this, expending energy (often in the form of ATP) to maintain the right concentrations of ions and molecules in living cells."
It wants you to explain why its a chemical change. Signs of chemical changes are formation of gas bubbles, cloudyness, change in color or odor.
