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The Earth Puzzle!

Horizontales
An industrial or natural substance added to soil or land to increase its fertility
Protein that can break down large and complex molecules into smaller and simpler molecules
When microbes act on dead organic material, such as animal poo or decomposing plants or dead animals and convert its chemical components, like nitrogen, to a form that can be absorbed by plant roots to create new life
Smelly algae (but not only bad)
Using other microorganisms or tiny living creatures to eat and break down pollution to clean a polluted site
Organisms from another region that do not belong in their new environment
The process by which substances, like nitrogen, are leaking from soil into aquatic systems or groundwater
The breaking down of organic matter like dead leaves into soil
Substances that contain nitrogen and hydrogen and are building blocks for creating cells, organs, muscles, and tissue
Organisms that can eat very different food
Verticales
Consequence of invasive species in terms of number of species found in an area
The most abundant element in our atmosphere
Excessive amount of nutrients (especially nitrogen) in a lake or other waters, which causes a dense growth of aquatic plant life, such as algae
Interaction between two different organisms living in close physical association, typically to the advantage of both
The process in which energy from the sun and carbon dioxide from the air is used by green plants to generate carbohydrates (sugar)
A very tiny living thing, like a bacterium or virus
Organisms that can eat only one or a few types of food
All the links indicating who eats whom or what in soil
Carrier of genetic/ hereditary information