<span>A breeding program is a program to increase the population of a species so captive breeding programs are used to replenish the wild populations of endangered species which is the answer under A. It's basically what happened to the pandas, they were bred in captivation to ensure that they wouldn't dissapear completely or become extinct.</span>
Answer:
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Am not sure at the moment but am sure someone will help in a bit
