Modern scientists have divided the living world into ………….
Five kingdoms
The correct option is D:
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Two kingdom systems of classification were given by Carolus Linnaeus and classify animals based on motility and mode of nutrition into two: plants and animals.
Option B:
Three kingdom systems of classification were given by Hackel and include plants, animals, and protists.
Option D:
Four kingdom classifications were given by Copeland and include plants, animals, protista, and monera.
Final Answer: Modern scientists have divided the living world into five kingdoms.