In the five-kingdom classification system proposed by R. H. Whittaker, which kingdom includes organisms that are primarily characterized by being eukaryotic, multicellular, heterotrophic, and lacking a cell wall?
- AKingdom Monera
- BKingdom Protista
- CKingdom Fungi
- DKingdom Animalia
✓ Correct answer: D
Want the full step-by-step reasoning?