Category Archives: 1. Characteristics & 2. Organisation & 3. Movement in & out of Cells

IGCSE Bio Topic 1 – Characteristics & Classification of living organisms

1.1 Characteristics of living organisms

1.1 Characteristics notes in downloadable word format.

BBC Curriculum Bites: Mrs Gren (1m).

Cambridge igcse biology ( 2016 2018) classification of living organisms from Mr Tarek Saad Ibrahim


A lesson on Nature and Variety of Living Organisms:

1.2 to 1.4 Classification revision notes  in downloadable word format.

IGCSE Bio Topic 2 – Organisation of the Organism

All Topic 2 revision notes in downloadable word format.

Powerpoint cells and levels, click bio from Magdalena Ravagnan

GCSE Bitesize – Cell Activity – covers animal & plant cells, movement in & out of cells & cell division (18m). Science in Focus – Cell Biology – a 19m video.

How about seeing some real cells in action? Here is a Trachelius ciliate feeding on a Campanella ciliate, and here is a Paramecium feeding:

Science Bank 9 (Cells & Tissues): Part 1- Animal Cells (to 4m 25s); Part 2 – Plant Cells (to 9m 10s); you do not need Part 3.

A short video from The Virtual School about cells & specialised cells:

For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. Powerpoints can be downloaded from the same site here. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it. 



Just click to enlarge (thank you LadyofHats).




A lesson on How to Calculate Magnification from Ms Cooper:

IGCSE Bio Topic 3 – Movement into & out of Cells

Ks4 movement in and out of cells from SUSAN MATHEW

Topic 3 revision notes in downloadable word format.

Mr Andersen (from Bozeman High) gives a brief description of osmosis:

And here he talks us through an osmosis practical.

A lesson on Osmosis from Mr Dare:

GCSE Bitesize – Diffusion & Osmosis – a 4m 24s video and Bitesize Top 20 Demos: Osmosis (3m 44s).

Mr W’s Osmosis! rap:

And here’s a long powerpoint:

Osmosis Gummy Bear Lesson PowerPoint, Cell Biology, Cell Transport from

Here is another presentation, covering the effect of osmosis on cells:

Effects of isotonic, hypotonic & hypertonic solutions on cells from j3di79


A lesson from Mr Dare: