Holdet 2i BioSL (2025/26) - Undervisningsbeskrivelse

Undervisningsbeskrivelse

Stamoplysninger til brug ved prøver til gymnasiale uddannelser
Termin(er) 2024/25 - 2025/26
Institution Ikast-Brande Gymnasium
Fag og niveau Biologi -
Lærer(e) Anders Kristensen
Hold 2024 BioSL (1i BioSL, 2i BioSL)

Oversigt over gennemførte undervisningsforløb
Titel 1 Topic 1 - Chemistry of Life
Titel 2 Topic 2 - Cells
Titel 3 Topic 3 - Metabolism
Titel 4 Topic 4 - Plant physiology
Titel 5 Topic 5 - Ecology
Titel 6 IA
Titel 7 Topic 6 - Animal Physiology
Titel 8 Topic 7 - Genetics
Titel 9 Topic 8 - Evolution
Titel 10 Revision

Beskrivelse af de enkelte undervisningsforløb (1 skema for hvert forløb)
Titel 1 Topic 1 - Chemistry of Life

Content:
A1.1 Water
B1.1 Carbohydrates and lipids
B1.2 Proteins

Skills:
Draw a diagram of a generalized amino acid showing the alpha carbon atom with amine group, carboxyl group, R-group and hydrogen attached
Draw a generalized dipeptide

Practical work:
Surface tension (floating paper clip).
Sweetness of carbohydrates.
Denaturation of Bromelain in pineapples.
TOK and NOS:
Quantitative and qualitative data.

ATL skills:
Self-management skills - reading and taking notes.
Social skills - different seating plans and working together

Concepts:
Unity and diversity at molecular level
Form and function at molecular level

CAS:
N/A
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
Work from Friday 6/9 06-09-2024
Omfang Estimeret: Ikke angivet
Dækker over: 8 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 2 Topic 2 - Cells

Content:
A2.2 Cell structure
B2.1 Membranes and membrane transport
D2.3 Water potential
B2.2 Organelles and compartmentalization
B2.3 Cell specialization
D2.1.1-3 + 5-8 Cell and nuclear division

Skills:
Calculating levels of magnification
Identify cells in light and electron micrographs as prokaryote, plant or animal.
Identifying structures in electron micrographs.
Draw and annotate diagrams of organelle
Draw a two-dimensional representation of the model of the cell membrane
Identify of phases of mitosis using diagrams and micrographs

Practical work:
Microscopy
Osmosis in potatoes
Surface area to volume ratio in agar cubes

TOK and NOS
Inductive and deductive reasoning.
Quantitative and qualitative data.
Improvement in technology (microscope) advance our knowledge in biology.
Development of theories (Documentary on the development of the cell theory).
Falsification of theories (Davson-Danielli theory on cell membranes falsified by Singer and Nicholson).
Models in biology - the cell, cell membranes and surface area-to volume relationships.
Ethical considerations when studying stem cells

ATL skills:
Self-management skills - reading and taking notes.
Social skills – collaboration on group work
Research skills – Acquiring the first data analysis and use of technology skills

Concepts:
Unity and diversity at cellular level.
Form and function at cellular level.
Continuity and change at cellular level.

CAS:
N/A
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
Assignment 1 - In-class 02-10-2024
Test - Cells 30-10-2024
Omfang Estimeret: Ikke angivet
Dækker over: 15 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 3 Topic 3 - Metabolism

Content:
C1.1 Enzymes and metabolism
C1.2 Cell respiration
C1.3 Photosynthesis

Skills:
Interpret graphs showing the effects s of temperature, pH and substrate concentration on the rate of enzyme activity.
Calculate Rf values from the results of chromatographic separation of photosynthetic pigments

Practical work:
Making lactose free milk
Catalase in yeast (substrate concentration)
Respiratory simulation
Fermentation experiment
Chromatography simulation
Absorption spectrum (demo in class).
Investigating limiting factors in photosynthesis ("Floating leaf disc" experiment)

TOK and NOS:
The use of modelling structure of proteins
Technologically development in the production of lactose free milk
Controlling variables when doing experiments

ATL skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.
Communication skills – Students are encouraged to have informal conversations when possible, during practical work, group work and pair work.
Research skills – Students get to design their own experiments with fermentation and photosynthesis


Concepts:
Interaction and interdependence at molecular level

CAS:
N/A
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
Assignment 2 - Photsynthesis 13-12-2024
Omfang Estimeret: Ikke angivet
Dækker over: 10 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 4 Topic 4 - Plant physiology

Content:
B3.1.7-10 Gas exchange in plants
B3.2.7-10 Transport (xylem/phloem)
D3.1.8-12 Reproduction in plants

Skills:
Draw plan diagrams from micrographs
Draw diagrams annotated with names of structures and their functions of the features of the reproductive organs of an insect-pollinated flower

Practical work:
Perform leaf casts to determine stomatal density  
Transpiration experiment

TOK and NOS:
“Ability skills” when behaving like a biologist, which means that you are able to perform certain skills.
Quantitative data and the importance of doing repeats.
Experimental design and the importance of variables.

ATL skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.


Concepts:
Form and function at organism level
Continuity and change at organism level

CAS:
N/A
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
Mid-term 15-01-2025
Omfang Estimeret: Ikke angivet
Dækker over: 7 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 5 Topic 5 - Ecology

Content:
C4.1 Populations and communities
C4.2 Transfers of energy and matter
B4.1 Adaptation to environment
B4.2 Ecological niches
D4.2 Stability and change
D4.3 Climate change

Skills:
Illustrate with a diagram how carbon is recycled

Practical work:
Making mesocosms

TOK and NOS:
Random sampling and the consideration of sampling errors.
When we can’t see all the objects, how do we select the observations we use to make general claims?
The use of mathematical knowledge to describe the observable world.
Using growth curves and models to describe a population growth.
Laws vs. theories
The use of graphical models to illustrate biological concepts (energy pyramids).
“To what extant does your knowledge about the loss of energy between trophic levels change your attitude towards your food source?” – “Isn’t it more energy efficient to be a vegetarian?”
Model to show zone of stress.
Ethical considerations when working with animals. Do we do the same to humans?
Random sampling vs. biased sampling.
The use of data loggers to achieve continuous data.
IB ethical experimental policy when making mesocosms.
Global impact of science – scientist can influence citizens (plastic pollution clean up).
Climate change discussion. Environmental and/or political arguments.
“To what extent is climate change human induced or natural?”

ATL skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.
Communication skills - Making posters and presenting them in groups
Communication skills - Students drawing on the whiteboard
Research skills – Students are researching and designing their own mesocosms
Research skills – Expanding on the student’s statistical data analysis skills
Thinking skills – Consideration of new perspectives on climate change


Concepts:
Form and function at ecosystem level.
Interaction and interdependence at ecosystem level.
Continuity and change at ecosystem level.

CAS:
Rewilding club
Indhold
Kernestof:
Omfang Estimeret: Ikke angivet
Dækker over: 25 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 6 IA

Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
IA propsal form 25-04-2025
IA Complete plan 15-05-2025
End-of-year exam 23-05-2025
IA 20-06-2025
Final IA 27-08-2025
Omfang Estimeret: Ikke angivet
Dækker over: 12 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 7 Topic 6 - Animal Physiology

Content:
B3.1.1-6 Gas exchange in animals
B3.2.1-6 Transport in animals
C3.2 Defense against disease
D2.1.9-11 Cell and nuclear division (meiosis)
D3.1.1-7 Reproduction in animals
D3.3 Homeostasis
C2.2 Neural signalling
C3.1 Integration of body systems

Skills:
Draw diagrams of the male-typical and female-typical reproductive systems and annotate them with names of structures and functions.
Distinguish arteries and veins in micrographs.
Interpret the oscilloscope trace.

Practical work:
Heart rate experiments.
Lung measurements
Blood glucose measurements
Speed of nerve impulse
“How good are your senses”

TOK and NOS:
Epidemiological studies. Using data from a lot of patients to find trends and patterns.
“How is the current knowledge shaped by its historical development?” – Development of knowledge in germ theory, treatments and vaccines. Mention the Danish podcast “Død og diagnose”.
The global impact of the discovery of penicillin. Alexander Flemmings discovery and Florey and Chain’s experiment on mice to show the effect of penicillin.
Testing penicillin under World War II did not follow the same protocol for medical testing as today.
Scientific collaboration when developing vaccines.
Inductive vs. deductive reasoning.
Are non-vaccinators affected by the context of how knowledge are being presented?
Ethical issues when doing experimental surgery

ATL skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.


Concepts:
Form and function at organism level.
Interaction and interdependence at molecular and organism level.
Continuity and change at molecular and organism level.

CAS:
N/A
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
Test - Animal Physiology 18-11-2025
Omfang Estimeret: Ikke angivet
Dækker over: 23 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 8 Topic 7 - Genetics

Content:
A1.2 Nucleic acids
D1.1 DNA replication
D1.2 Protein synthesis
D1.3 Mutations and gene editing
D3.2 Inheritance

Skills:
Making diagrams of nucleotides
Sketch the difference between ribose and deoxyribose.
Draw and recognize diagrams of the structure of single nucleotides and RNA polymer
Deduce the sequence of amino acids coded by an mRNA strand
Deduce pattern of inheritance


Practical work:
Isolating DNA from kiwi
Gel electrophoresis
Protein synthesis with magnetic models
Protein synthesis and mutations with LEGO
Taster or non-taster of PTC


TOK and NOS:
The use of models in science – the DNA model.
How collaboration in science lead to the description of the DNA model by Watson and Crick.
Meselson and Stahls experiment to give evidence for semi-conservative DNA replication.
The implication of the development of DNA profiles in crime scene investigations.
“To what extent does we characterize a mutation as good or bad. For example the mutation that gives sickle cell anaemia, but protects you from malaria?”
The implications of genetic tests. Is it desirable to know you will become sick later in life?
The ethical issues of gene testing eggs before implantation – “designer babies”
“Would you trust a gene texting company to give you accurate information?”
Gregor Mendel and his contribution to modern genetics. However, are his results reliable? Did anyone check???
When does an idea become a law in science?
Inductive vs. deductive reasoning


ATL Skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.
Thinking skills – reflecting upon ethical issues regarding genetic testing.


Concepts:
Unity and diversity at molecular level.
Continuity and change at molecular and organism level.

CAS:
Blood donor
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
In-class 06-01-2026
In-class: Pedigrees 02-03-2026
Omfang Estimeret: Ikke angivet
Dækker over: 18 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 9 Topic 8 - Evolution

Content:
A3.1 Diversity of organisms
A4.1 Evolution and speciation
A4.2 Conservation of biodiversity
D4.1 Natural selection

Skills:
Using online databases to compare genes and find loci of genes
Classify chromosomes by banding patterns, length and centromere position

Practical work:
“Clippy Island” experiment with natural selection

TOK and NOS:
Qualitative vs. Quantitative
Perr-review in scientific publications.
“Citizen science”
“Are we certain that dinosaurs look like what is shown in pictures?”
“Is it OK to keep animals in Zoo’s, if their purpose isn’t to be introduced to the wild?”
Complex issues associated with conservation efforts
Should Alfred Russel Wallace have gotten more credit for the theory of Natural Selection?
Paradigm shift: Creationist/Lamarck to Darwin’s theories of evolution.

ATL Skills:
Self-management skills - reading and taking notes.
Social skills - Students will work collaboratively during practical work, group work and pair work.
Thinking skills – Reflecting upon our role in the world.


Concepts:
Unity and diversity at molecular level.
Continuity and change at molecular and organism level.

CAS:
Rewilding
Indhold
Kernestof:

Skriftligt arbejde:
Titel Afleveringsdato
In-class: Extinction 19-03-2026
Omfang Estimeret: Ikke angivet
Dækker over: 10 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer

Titel 10 Revision

Indhold
Omfang Estimeret: Ikke angivet
Dækker over: 6 moduler
Særlige fokuspunkter
Væsentligste arbejdsformer