1. abortion
2. testing cosmetic products on animals
hope this helps :)
Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
By studying the graph and the information given, you can tell that the process that is occurring is ecological succession. This is when ecosystems change over time and develop more over longer periods of time. The correct answer is number 1.