Multicellular and unicellular organisms
I can explain the differences between multicellular and unicellular organisms.
Multicellular and unicellular organisms
I can explain the differences between multicellular and unicellular organisms.
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Lesson details
Key learning points
- Unicellular organisms are made of a single living cell.
- Multicellular organisms are made of more than one cell (sometimes millions), and different cells take on different jobs.
- In multicellular organisms, cells join together to form tissues with specific jobs.
- An organ is a group of tissues working together to do a specific job, and organs work together in an organ system.
- Unicellular organisms have different structures that have adaptations to help them function and stay alive.
Keywords
Unicellular - A unicellular organism is a living thing that is just one cell.
Multicellular - Multicellular organisms are made of lots of different types of cells.
Tissue - A tissue is a group of similar cells in the same place with the same job.
Organ - An organ is made up of a group of different tissues that work together to carry out a specific job.
Adaptation - An adaptation is a feature that helps an organism to function and survive.
Common misconception
There are only two types of cell: plant and animal.
The lesson explores the cells of unicellular organisms and some of their adaptations.
To help you plan your year 7 science lesson on: Multicellular and unicellular organisms, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 7 science lesson on: Multicellular and unicellular organisms, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Explore more key stage 3 science lessons from the Cells unit, dive into the full secondary science curriculum, or learn more about lesson planning.
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Lesson video
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Starter quiz
6 Questions
Changing location itself to achieve something for survival
Using food and other nutrients to stay alive
Making offspring
Taking information from and responding to surroundings
Using food as a fuel to provide energy
Exit quiz
6 Questions
Smallest living unit that carries out the common processes
Similar cells, with a similar job, that work together
Different tissues that work together to carry out a job