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  • Using Green Algae in the Lab

Using Green Algae in the Lab

Practicals Teaching topics Description Growing and sourcing

 

Green algae (Scenedesmus quadricauda) is an excellent example of a typical planktonic algae. In the biology lab, it makes a wonderful resource for demonstrating photosynthetis, but in the wider world, it offers potential for creating algal biofuels.

 

Practicals

  • Photosynthesis - Resource: Photosynthesis using algae wrapped in jelly balls
  • Eutrophication - Algal blooms and the effects of eutrophication 

 

Teaching Topics

  • Photosynthesis
  • Eutrophication

 

Description

Green Algae, Scenedesmus quadricauda

A good example of typical planktonic algae with a four to eight celled structure, which stays buoyant because of spines. Widely distributed across the UK. (information provided by Sciento)

Growing and sourcing

Obtaining: 

Unfortunately algae can no longer be sourced from Sciento. We are currently looking into alternative sources and testing them to check their suitability for use with the algal balls practical. There are a number of school suppliers you can purchase from. If you have any success, we would love to hear from you. 

You can no longer buy the enrichment medium but you can obtain the recipe from the resource Photosynthesis using algae wrapped in jelly balls.

Care: Blades advise a warm room and the use of algal growth medium. They recommend subculturing your supply every three weeks.

  

Tags: 11 -14 (KS3), 14 -16 (KS4), Post 16, Ecology and evolution, Nutrient cycles, Photosynthesis

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