The Five Kingdoms of Living Things — Interactive Diagram
How scientists sort every living thing into five big groups — from bacteria to plants and animals.
TL;DR: How scientists sort every living thing into five big groups — from bacteria to plants and animals.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
The Five Kingdoms of Living Things: How scientists sort every living thing into five big groups — from bacteria to plants and animals.
Why it matters: Whittaker’s five-kingdom classification is a key Class 9 “Diversity in Living Organisms” topic.
The Five Kingdoms of Living Things — Step by Step
- Robert Whittaker sorted every living thing into FIVE KINGDOMS, based on cells, body and how they get food.
- MONERA and PROTISTA are the tiny ones. Monera have NO true nucleus (bacteria); Protista DO have one (amoeba, algae).
- FUNGI are the decomposers (mushrooms, yeast) — they absorb food from dead matter.
- PLANTAE make their own food (photosynthesis). ANIMALIA eat others. These are the big multicellular kingdoms.
Quick Notes — the Exam Crux
- Robert Whittaker (1969) grouped all living things into FIVE kingdoms.
- MONERA — tiny single-celled organisms with no true nucleus (prokaryotes), e.g. bacteria.
- PROTISTA — single-celled organisms WITH a true nucleus (eukaryotes), e.g. amoeba, algae.
- FUNGI — mostly multicellular decomposers that absorb food, e.g. mushrooms, yeast.
- PLANTAE — multicellular, make their own food by photosynthesis. ANIMALIA — multicellular, eat other organisms.
Remember It (Memory Trick)
Five kingdoms: "MPF-PA" — Monera, Protista, Fungi, Plantae, Animalia. Bacteria at the bottom, us (animals) at the top.
Real-Life Example
A pond shows almost all of them at once: bacteria (Monera) in the mud, amoeba (Protista) in the water, mushrooms (Fungi) on a rotting log at the edge, water plants (Plantae) and a frog (Animalia).
Test Yourself
Who proposed the five-kingdom classification, and how many kingdoms are there?
Robert Whittaker; five kingdoms — Monera, Protista, Fungi, Plantae and Animalia.
What is the main difference between Monera and Protista?
Monera are prokaryotes (no true nucleus); Protista are eukaryotes (have a true nucleus). Both are mostly single-celled.
How do Plantae and Animalia differ in getting food?
Plantae make their own food by photosynthesis (autotrophs); Animalia eat other organisms (heterotrophs).
More Visual Lessons
- The Water Cycle
- States of Matter
- Life Cycle of a Butterfly
- Phases of the Moon
- The Solar System
- The Rock Cycle
🤖 Stuck on any of these? Ask Syllab's free AI Tutor to explain step by step →