The answer is Keystone. Keystone is a species in which others species in the ecosystem largely depend on, if the species was removed the ecosystem would change drastically.
Scientific methods are very important for experiments and to explore hypothesis.
Without it we wouldnt even know what the moon is or other planets in this galaxy, scientific method is important to explore and learn the beauty of this planet and galaxy
THINK OF IT THIS WAY IF WE HAVE NO CELLS IN USE WE DIE we need cells to live
