The correct answer is A. An oak tree
Explanation:
The term "primary producer" is used to describe organisms that can produce their own energy without feeding on others, this includes plants and algae that produce food and energy through photosynthesis using light and other inorganic compounds. Additionally, the primary producers can be identified because in ecosystems they are always on the first level and they are eaten by others.
According to this, the one that is a primary producer is an oak tree because this is a type of plant and therefore can produce its food through photosynthesis different to others that need to feed on other organisms to obtain energy.
i think the Mexican plateau the heartland of mexico,
La cultura y la sociedad son como existentes uno no existe o no puede existir sin el otro. la cultura y la sociedad pueden tener algunos elementos comunes pero los dos no son lo mismo no son idéntico la diferencia esencial es que la sociedad está compuesta de personas mientras que la cultura consiste en conocimiento, ideas costumbres, tradiciones, creencias, habilidades, instituciones, organizaciones y artefactos
The end of the book is the best
