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Edexcel IGCSE Topic 1 - Organisms And Life Processes




  Below is everything the examiners think you know, if you're not sure of something click on the link to watch my YouTube video explanation. For a copy of these you can print off, get the FREE revision guide I wrote for you.


 • I can describe all 8 of the characteristics that living organisms share

 • I can name each of the five cell types (animal, plant, fungi, bacteria, protoctist)

 • I can describe the structure of a plant cell and explain the function of all the main parts

 • I can describe the structure of an animal cell and explain the function of all the main parts

 • I can describe the structure of a bacterial cell and explain the function of all the main parts

 • I can describe the structure of a yeast cell and explain the function of all the main parts

 • I can describe the structure of a multicellular fungi like Mucor and explain the function of all the main parts

 • I can identify protoctists by both description and drawing

 • I can distinguish between all five cell types

 • I can compare the similarities and differences of plant and animal cells

 • I can give at least two examples of each of the five cell types

 • I can describe the structure of a virus

 • I can explain why a virus is not classified as a cell

 • I can give at least three examples of viruses

 • I can describe the different ways diseases are caused. Viruses, bacteria, protoctist or fungi.

 • I can define the term pathogen

 • I can describe the levels of organisation in organisms

 • I can define the term organ system

 • I can explain cell differentiation

 • I can explain the development of specialised cells

 • I can describe the advantages and disadvantages of using stem cells in medicine

 • I can describe how temperature affects enzyme functioning

 • I can describe an investigation that shows how enzymes functioning is affected by changes in temperature

 • I can describe how pH affects enzyme functioning

 • I can describe an investigation that shows how enzymes functioning is affected by changes to pH

 • I can describe how respiration produces ATP

 • I can describe the difference between aerobic and anaerobic respiration

 • I can write the word and balanced symbol equations for aerobic respiration in both plants and animals

 • I can write the word equation for anaerobic respiration in both animals and yeast cells

 • I can describe an investigation to show that seeds or other living organisms give off carbon dioxide

 • I can define the term diffusion

 • I can recall which substances are moved by diffusion

 • I can describe the process of diffusion

 • I can explain how different factors affect diffusion

 • I can define the term osmosis

 • I can describe the process of osmosis

 • I can define the term active transport

 • I can describe the process of active transport

 • I can give examples of active transport in action