ATL in Biology
Digestive system Quick test - model answers
Quick Test - Digestive system - Model answersComplete the boxes 1. Large muscular sac for mechanical and chemical digestion 2. Organ that stores bile ...
ATL in Biology
Topic 11 A3 revision sheet - model answers
This page shows suggestions of model answers for the A3 revision sheet: Animal physiology topic A3 revision worksheet Of course this sheet will reassure students who are revising but the process of looking...
ATL in Biology
Topic 11 - Physiology HL Revision activities
If you want to see the all the different aspects of this topic on a single A4 sheet this page will help you. By completing short questions or cloze activities students are forced to review the whole topic...
ATL in Biology
Nitrogen cycle - model answers
Here are some worked examples of answers for the Nitrogen cycle IB style questions on the page: Nitrogen cycle - applications. Please remember that these are 'model answers' and many other ideas, and...
ATL in Biology
Topic 8 - Metabolism A3 revision - model answers
This page shows suggestions of model answers for the A3 revision sheet: Topic 8 metabolism A3 revision worksheet. This sheet will reassure students who are revising, of course, but the process of looking...
ATL in Biology
Nitrogen cycle - applications
This activity introduces the chemicals of the nitrogen cycle and the concept or biogeochemical cycles. Some simple revision flashcards cards can be printed or practised online and there are two interesting...
ATL in Biology
Mesocosm Lab
The IB are not the first to think of making a mesocosm. Bill Latimer set one up in his living room in 1960 and hasn't watered it since 1973. See the whole story here. There are other places where mesocosms...
ATL in Biology
River pollution biotic index - model answers
Here are some worked examples of the answers in the Biotic index activity Simplified Biotic index calculations from field work simulation of a river study on the page: Indicator species & biotic index....
ATL in Biology
DNA Replication Free
The central dogma of molecular biology, described by Francis Crick, begins with DNA replication. It really is the essence of inheritance and perhaps even the essence of life itself. At SL there are just...
ATL in Biology
Light Dependent Reactions
This activity reviews the light dependent reactions of photosynthesis which occurs on the thylakoids of the chloroplast. A first activity introduces the parts of the membrane and the stages of the reactions,...