English National Curriculum Science

5. Describe the structure of unicellular organisms

Mission Objectives

Explain what a unicellular organism is

Investigate how temperature affects the rate of reproduction in yeast

Compare a unicellular organism to a multicellular organism

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Keywords

Words and meanings to learn

euglena

a unicellular organism that has chloroplasts and a flagellum

yeast

a unicellular organism that produces carbon dioxide; often used in food and drink

multicellular

an organism made of many cells

amoeba

a unicellular organism with pseudopodia

unicellular

an organism that consists of only one cell

This lesson has been written by

Dr Shannon Weldon

Shannon started her journey with Developing Experts by completing PHD placement while studying for her Doctorate in Developmental Biology at the University of East Anglia. Shannon has since joined the team full-time as a Project Manager working with the company's industry partners. Shannon knows a lot about chickens!

Rebecca Willerton

Rebecca studied Psychology at the University of York before working in a variety of roles - in both the UK and internationally - where she assisted individuals with neurodegenerative and developmental conditions. She then completed her science teacher training with the National STEM centre, Royal Society of Chemistry and the Association for Science Education. Rebecca teaches biology and chemistry at Key Stage 4 and general science at Key Stage 3, and has also ran neuroscience and eco clubs at her school. 

Required Resources

Resources: 50cm measuring cylinders, 250cm measuring cylinders, glass rods for stirring, water baths and a range of temperatures between 20 and 60 degrees, yeast suspension, flour, sugar, 250ml beakers, 100ml beakers, stopwatches, A4 paper to make paper tube funnels from (clean), balances/scales, graph paper and the handout.

Core Handout: ‘Rise to the occasion’ investigation sheet.

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