ATL in Biology
Key terms - Human physiology topic
6.1 Digestion and absorption 6.2 The blood system 6.3 Defence against infectious disease 6.4 Gas exchange (Active ventilation of lungs, and passive diffusion for gas exchange) 6.5 Neurons and synapses...
ATL in Biology
mitosis cards model answers
Complete the activities on the worksheet Student activities on Mitosis This is a file of the whiteboard notes made while teaching this lesson, to summarise the diagram and illustrate the second activity....
ATL in Biology
Model answers - Intro to cladistics
The following pdf contains suggested answers for these questions about cladograms and cladistics. . Student questions on cladograms - model answers The essential points to remember are: The following...
ATL in Biology
Modelling nutrients
Option C - Ecology Activities for learning Students are first introduced to Gersmehl diagrams through a few simple slides before they explore comparison between the diagrams for different ecosystem. Students...
ATL in Biology
Gersmahl diagrams student sheet model answers
The idea of an equilibrium in the mineral cycle illustrates the connectedness of the environment. Altering one part of an ecosystem is likely to have a consequence on other parts. Chopping down several...
ATL in Biology
Conservation of biodiversity - planning sheet C4
Planning sheet for C4 Conservation of biodiversity Understanding(s) Indicator species & biotic index Conservation methods Biodiversity estimations Essential Question(s) TOK / Nature of Science / IM Skills...
ATL in Biology
Conservation IB style qns - model answers
1. Compare and contrast in-situ conservation with ex-situ conservation. In-situ conservation takes place in the natural habitat of the species, whereas ex-situ conservation methods remove species from...
ATL in Biology
Plastic - IBstyle question model answers.
These model answers are for the IBstyle questions on the Plastic debris page. Black-footed and Laysan albatross…………………………(1) The chicks have a higer % of plastic in their provetriculus than the juveniles...
ATL in Biology
Impact of humans - planning sheet C3
Planning sheet for C.3 Impact of humans on ecosystems Understanding(s) Invasive species Biomagnification Plastic debris Essential Question(s) Competition between species takes place in most ecosystems....
ATL in Biology
Biomagnification
Biomagnification is the process where pollutants become concentrated in the tissues of organisms at higher trophic levels. In this activity students analyse and explain some simple data from a food chain...