I can only assume it’s showing you a graph of a reaction with and without a catalyst. So the dotted line would be without the catalyst.
Here are the four postulates of natural selection, according to Charles Darwin:
1. variability - refers to different mutations that create different species
2. heritability - refers to the genes that are passed from one organism onto its descendants
3. overproduction of offspring - refers to the fact that more "children" is born than dies
4. natural selection - refers to those organisms that survive because they adapt to their surroundings better than those who will die
Answer:
O because the model makes the concepts easier to understand
Explanation:
The model would help other people understand his results.