1
which can be decomposed into natural chemical elements by the action of biological agents, such as sun, water, bacteria, plants or animals.
3
property or essential quality of animals and plants, by which they evolve, adapt to the environment, develop and breed.
4
It is the branch of biology that studies the relationships of different living beings with each other and with their environment, the biology of the ecosystems
8
Narrow path, especially the one that has been formed by the passage of people or animals.
