ATL in Biology
Biomagnification IB style questions - model answers
These are simply suggested answers for the data based questions on this Biomagnification IB-style questions worksheet below. on the Biomagnification page. …Organic material moves through ecosystems...
ATL in Biology
Plant science test -HL mark scheme
I Growth of plantlets for use as crop plants II Bulking up of stocks of new plant varieties III Conservation A I only B 1 and II only C I and III only D I, II and III I Cutting the shoot tips II Lighting...
ATL in Biology
Digestion - planning sheet D.2
Planning sheet for D.2 Digestion Understandings: Exocrine glands Control of digestive secretions A miracle cure for ulcers Digestion summative activity - possible here if time allows. Essential Question(s)...
ATL in Biology
Invasive species
Competition between species takes place in most ecosystems. What resources do species compete for? Competitive exclusion takes place where one species can't get enough resources, what does this mean?...
ATL in Biology
Invasive species - IB style qns Model Answers
The two populations don't seem to follow the same trend. Both populations are low beteen 1960 and 1970. The decline in the Sea Lamprey population in 1960 was more rapid that the Lake trout decline in...
ATL in Biology
Communities & Ecosystems - planning sheet C2
Planning sheet for C.2 Communities and ecosystems Understanding(s) Modelling energy flow & eating insects Predicting ecosystems Disturbance vs Diversity Essential Question(s) TOK / Nature of Science /...
ATL in Biology
Chloroplasts and Photosynthesis
Where exactly is the chlorophyll found in a chloroplast? Students find the answer in this activity which begins by reviewing the simple explanations of the light dependent and the light independent reactions...
Blog
Online tools #2 - Quizlet live Free
It's the time of the year when students need guidance about exam tecnhique. In particular reminders about the exact meaning of the command terms. I often give out a list of Explanations of tricky command...
ATL in Biology
Genetics test HL - model answers
1. In Guinea pigs the allele for tufts of fur called “rosette”, (R) is dominant to the smooth fur allele (r). In a different gene the allele for dark eyes (D) is dominant over the allele for red...
ATL in Biology
Photosynthetic pigments
Students investigate a simple practical method of separating photosynthetic pigments (practical 4)using paper chromatography (or thin layer chromatography). Following this there is an animation of chromatography...