Being alive defines everything that is living, according to your logic. So, EVERY living thing is defined by it's soul? EVERY living thing has a soul? Germs? Diseases? Grass? Trees?
correct - although I cannot take credit for the 'idea'
SB 4.29.29: Covered by the mode of ignorance in material nature, the living entity is sometimes a male, sometimes a female, sometimes a eunuch, sometimes a human being, sometimes a demigod, sometimes a bird, an animal, and so on. In this way he is wandering within the material world. His acceptance of different types of bodies is brought about by his activities under the influence of the modes of nature.
BS 5.53: I adore the primeval Lord Govinda, by whose conferred power are maintained the manifested potencies, that are found to exist, of all virtues, all vices, the Vedas, the penances and all jīvas, from Brahmā to the meanest insect.
Brahma Vaivarta Puräna : One attains the human form of life after transmigrating through 8,400,000 species by the process of gradual evolution. That human life is spoiled for those conceited fools who do not take shelter of the lotus feet of Govinda.
Padma Purana : There are 900,000 species living in the water. There are 2,000,000 nonmoving living entities such as trees and plants. There are 1,100,000 species of insects and reptiles, and 1,000,000 species of birds. As far as quadrupeds are concerned, there are 3,000,000 varieties, and there are 400,000 human species.