What process allows the amount of DNA in an organism's cells to be kept constant in sexually reproducing species? 1. fertilization
2.reduction division
3.binary fission
4.mitosis

Which one of these is a involving in both sexual and asexual reproduction

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid

Nucleic acids offer variability because they contain alternate forms of genes called .