There are many small organisms that play a vital role in many ecosystems, and that also need protection and conservation to sure that natural ecosystems function fully.
Frogs are important in keeping balance to the ecosystem.
It is a science that deals with methods and techniques that dispense active bacilli to accord to the advance of animal activity and its environment. In a avant-garde perspective, it includes the creation, development and modification of the abiogenetic advice of plants, animals and even animal beings.
Something I wrote in my Science class in College.