Final answer:
Linnaes' taxonomic scheme was a phylogenetic scheme, where organisms were grouped together based on their evolutionary relationships.
Step-by-step explanation:
The correct answer is d. It was a phylogenetic scheme. Linnaeus' taxonomic scheme was based on grouping organisms together based on their evolutionary relationships. He classified organisms based on their physical traits, but with the advancement of knowledge and technology, scientists have refined the classification system to include genetic, biochemical, and embryological comparisons to determine the evolutionary relationships among organisms.