Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
The main function of DNA polymerase<span> is to make </span>DNA<span> from nucleotides, the building blocks of </span><span>DNA</span>
B. To orient themselves and to find food
Since they cannot see very well or even at all in some cases, these animals use echolocation instead to orient themselves, to find where they are, and to find food.