B .How organisms could change .
It is true they do have internal fertilization. This is also one of the reason why it is easy to differentiate between a male or a female shark on birth due ot internal fertilization. <span />
Answer:
Answer is C. By changing the shape of protein.
Explanation:
The site where the substrate binds and the chemical reaction take place is known as the active site.
Note that , if there is changes in the pH, it can affect the active site of the amino acid residue which usually have acidic or basic properties that is important for catalysis, thereby making it hard for substrate to bind.