Who wrote the book titled "Théorie élémentaire de la botanique"?

Which option is appropriate for the classification system developed through the integration of various branches of biological studies?

$A$ species is taxonomically defined as:

Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Carolus Linnaeus is known as the father of taxonomy primarily due to which of his contributions?

Define and explain the taxonomic category: Order.