Each new dna double helix consists of one old dna strand and one new dna strand, daughter dna
The situation is an exponential growth wherein an example is on population when as the population gets larger, it grows more quickly.
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst.
Species change over time. -The mechanism that produces the change is natural selection: the differential survival and reproduction of individuals based on variation in their traits. Natural selection acts on individuals but individuals do not evolve; their descendants do.