They produce oxygen they are used as shelter, they are used for blocking the shade, they sustain other animals that sustain the planet and us.
Explanation:
3rd planet orbiting ba yellow dwarf star in the milky way galaxy
<span>Taxonomy is the classification or grouping of organisms into groups, based on shared or similar characteristics. The criteria used for including an organism in a group can be controversial. An example of a taxon is the class Reptilia.</span>
DNA molecule was instrumental in the formulation of the modern cell theory.
