Kingdoms of life
Kingdom: is a group of organisms with a special approach of life.
– Each kingdom includes many phyla (singular phylum)
Phylum : It is a group of living organisms with common body plan.
– What are the 4 kingdoms of life?
1. Protists: they are single-celled organisms.
There are different types of protists :
Animal-like protists such as Amoeba
In-between protists such as Euglena
Plant-like protists such as Pleurococcus
2. Plants: they are multicellular organisms.
They don’t need to move because they can make their own food.
They contain chlorophyll that makes photosynthesis happens.
3. Animals: they are multicellular organisms.
The have nerves, senses and muscles to be able to move to find food because they cant make their own food.
4. Fungi: they are generally made of threads without proper cells.
They dissolve their food outside them and then absorb the juice.
Answers to pupils’ book questions:
Q1. In your own words say what a kingdom is?
A major way of life
Q2. List the most important features of of each of the four main kingdoms. Explain
why they are the most important?
– protists– single celled – have to cope with everthing using only one cell.
– plants – green(chlorophyll)- enables them to make their own food.
– animals – nerves and muscles- enables them to move about to get food or escape.
– Fungi – saprophytism (eating food externally)- enables them to live almost anywhere and on
anything(alive or dead).
Q3. Sponges are organisms which only have two sorts of cell.
They are often put in a kingdom on their own. If not they are usually put as a sub-kingdom of animals because they have animal-like cells and an animal-like However, they don’t have nerves, muscles, or proper tissues and organs.