CIE IGCSE Biology

Revision Notes

2.3 Levels of Organisation

Cells, Tissues, Organs & Organ Systems

Cells, Tissues, Organs & Organ Systems table, IGCSE & GCSE Biology revision notes

 

Levels of organisation, IGCSE & GCSE Biology revision notesLevels of organisation

 

 

Exam Tip

Most incorrect answers here come from not being able to identify a tissue, so it’s worth making sure you understand and remember that tissues are always made up of only one type of cell.

Examples of Organ Systems in Animals & Plants

Tissue Examples table, IGCSE & GCSE Biology revision notes

Identifying Levels of Organisation: Basics

  • Your syllabus states that you should be able to identify the different levels of organisation in drawings, diagrams and images of familiar material
  • An example of this is shown in the exam question below:

Typical levels of organisation question, IGCSE & GCSE Biology revision notesTypical levels of organisation question

Extended Only

Identifying Levels of Organisation

Exam Tip

Your syllabus requires you to identify the different levels of organisation in drawings, diagrams and images of unfamiliar material, ie structures you may not have seen before.

In order to ensure the best chance of success, make sure you are very clear on the difference between a cell, a tissue and an organ and practise identifying these in past paper questions (they come up most frequently in the multiple choice paper).

Author: Jenna

Jenna studied at Cardiff University before training to become a science teacher at the University of Bath specialising in Biology (although she loves teaching all three sciences at GCSE level!). Teaching is her passion, and with 10 years experience teaching across a wide range of specifications – from GCSE and A Level Biology in the UK to IGCSE and IB Biology internationally – she knows what is required to pass those Biology exams.
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