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Every living creature on Earth belongs to a kingdom. Scientists debate how many kingdoms there are, but many agree there are five. Here is how the five kingdoms are organized. Or, see how some other scientists categorize life into sixkingdoms. Monera Monera are single-celled organisms that don’t have a nucleus. Bacteria make up the entire kingdom. There are more forms of bacteria than any other organism on Earth. Some bacteria are beneficial to us, such as the ones found in yogurt. Others can cause us to get sick. Protists Protists are mostly single-celled organisms that have a nucleus. They usually live in water. Some protists move around, while others stay in one place. Examples of protists include some algae, paramecium, and amoeba. Fungi Fungi are usually motionless organisms that absorb nutrients for survival. They include mushrooms, molds, and yeasts. Plants Plants contain chlorophyll, a green pigment necessary for photosynthesis, a process in which plants convert energy from sunlight into food. Their cell walls are made sturdy by a material called cellulose, and they are fixed in one place. Plants are divided into two groups: flower- and fruit-producing plants and those that don’t produce flowers or fruits. They include garden flowers, agricultural crops, grasses, shrubs, ferns, mosses, and conifers. Animals Animals are the most complex organisms on Earth. Animals are multi-celled organisms, eat food for survival, and have nervous systems. They are divided into vertebrates and invertebrates and include mammals, amphibians, reptiles, birds and fish.
Every living creature on Earth belongs to a kingdom. Scientists debate how many kingdoms there are, but many agree there are five. Here is how the five kingdoms are organized. Or, see how some other scientists categorize life into sixkingdoms.
- Classifying Animals
- Estimated Number of Animal Species
- Animal Groups
Monera
Monera are single-celled organisms that don’t have a nucleus. Bacteria make up the entire kingdom. There are more forms of bacteria than any other organism on Earth. Some bacteria are beneficial to us, such as the ones found in yogurt. Others can cause us to get sick.
Protists
Protists are mostly single-celled organisms that have a nucleus. They usually live in water. Some protists move around, while others stay in one place. Examples of protists include some algae, paramecium, and amoeba.
Fungi
Fungi are usually motionless organisms that absorb nutrients for survival. They include mushrooms, molds, and yeasts.
Plants
Plants contain chlorophyll, a green pigment necessary for photosynthesis, a process in which plants convert energy from sunlight into food. Their cell walls are made sturdy by a material called cellulose, and they are fixed in one place. Plants are divided into two groups: flower- and fruit-producing plants and those that don’t produce flowers or fruits. They include garden flowers, agricultural crops, grasses, shrubs, ferns, mosses, and conifers.
Animals
Animals are the most complex organisms on Earth. Animals are multi-celled organisms, eat food for survival, and have nervous systems. They are divided into vertebrates and invertebrates and include mammals, amphibians, reptiles, birds and fish.
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Six Kingdoms of Life
- Six Kingdoms of Life
TrendingHere are the facts and trivia that people are buzzing about.
Did Birds Evolve from Dinosaurs?
The Twelve Dancing Princesses
Current Events This Week: January 2023
African Americans by the Numbers
Andersen’s Fairy Tales: Contents
The Celtic Twilight: A Teller of Tales
TrendingHere are the facts and trivia that people are buzzing about.
Did Birds Evolve from Dinosaurs?
The Twelve Dancing Princesses
Current Events This Week: January 2023
African Americans by the Numbers
Andersen’s Fairy Tales: Contents
The Celtic Twilight: A Teller of Tales
- Did Birds Evolve from Dinosaurs?
- The Twelve Dancing Princesses
- Current Events This Week: January 2023
- African Americans by the Numbers
- Andersen’s Fairy Tales: Contents
- The Celtic Twilight: A Teller of Tales
