ATL in Biology
Theme C - Interaction and interdependence
This page could be displayed as a prompt to begin exploring connections that illustrate the theme. Click the graphic to enlarge. C - Interaction and interdependence The diffusion of oxygen across a cell...
ATL in Biology
Theme B - Form and function
This page could be displayed as a prompt to begin exploring connections that illustrate this theme.Click the graphic to enlarge. B - Form and function The molecules and cells which make our bodies have...
ATL in Biology
Hormonal control in plants
How do plants respond to light if they don't have eyes nor a brain? The mechanism is quite complex but it is a good illustration of the role of membrane proteins and the fluid nature of the plasma membrane....
ATL in Biology
Theme A - Unity and diversity
Click the graphic on this page to display a larger version, or display the whole page as a prompt to begin exploring connections that illustrate this theme. A - Unity and diversity Unity All of live shares...
ATL in Biology
Option D - A3 revision - model answers
This page shows suggestions of model answers for the A3 revision sheet: A3 revision worksheet for option D Neurobiology HL topics These model answers will reassure students who are revising.They are examples...
ATL in Biology
Cardiac muscle & myogenic control
The structure of cardiac muscles and conduction of impulses is covered in a short video and some question in activity one. This is followed by a sequencing activity about the events of the cardiac cycle...
ATL in Biology
Grade boundaries
Examining is not exactly a precise science but the IB goes to great lengths to check that exam papers and grade boundaries are fair so that the grades awarded reflect the abilities and achievements of...
ATL in Biology
The Exams Free
The IB uses a criterion based approach to assessment. This means that students work is judged against identified levels of attainment and not against the work of other students. At the grade award meeting...
ATL in Biology
Metabolism Respn & Photosynthesis test HL
This test contains the following questions: Click the eye icon to display a simple countdown timer Metabolism, respiration and photosynthesis HL topic test - IB style questions There is a set of model...
IB Core
TOK - The Scientific Method
In this lesson students are reminded of the experimental nature of the sciences and of the way that hypotheses are tested by making predictions and collecting data. There are also details of the steps...