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Currie Community High School
Higher Biology Course Overview
Unit 3 Control & Regulation
Section
Content
1. Growth
differences
between plants
& animals
Position & action of meristems in
plants; formation of annual rings;
regeneration in angiosperms &
mammals; growth patterns
2. Genetic
control
Jacob-Monod hypothesis of gene
action; gene control of metabolic
pathways- PKU; cell differentiationswitching genes on & off
Homework/
Assessment
Resources
Time
 P227 TYK Q2 &
3c
 Pp227-8 AYK
Q2-4
 Pp233-4 AYK Q1
&4
 Annual rings
essay (C & R)
 Role of
meristems essay
 P239 TYK Q1-3
 P240 TYK Q2 &
3
 Plant growth PowerPoint
 Apical meristem diagram
 Secondary growth (thickening)
diagram
 Annual rings diagram
 Growth patterns PowerPoint
 Growth curve diagram
 Scholar website
 TRIO OHT
6 periods
 Genetic Control of growth
PowerPoint
 Genetic control of blood cells
diagram
 Genetic control ofplant cells
diagram
 Jacob-Monod hypothesis part
1 & 2 diagram
 PKU diagram
 Effect of -galactosidase on
lactose in milk practical
 Scholar website
 TRIO OHT
6 periods
-1-
Currie Community High School
Higher Biology Course Overview
Unit 3 Control & Regulation
Section
Content
Homework/
Assessment
Resources
Time
 Hormonal control of growth in
plants part 1 PowerPoint
 Effects of different
concentrations of IAA on root
& shoot growth diagram
 Phototropism diagram
 Effects of IAA on root growth
in mustard seedlings practical
 Hormonal control of growth in
plants part 2 PowerPoint
 Germination summary diagram
 IAA v GA summary diagram
 Scholar website
 TRIO OHT
 Hormonal control of growth in
animals PowerPoint
 Endocrine summary diagram
 Scholar website
 TRIO OHT
 Effects of chemicals & light on
growth in plants PowerPoint
 Macro-element deficiency
diagram
 Scholar website
 TRIO OHT
8 periods
3. Hormonal
influences in
plants
Plant growth substances- IAA & GA;
practical applications of plant growth
substances
 P256 TYK Q1, 2,
4&5
 P259 TYK Q1 &
2
 Pp260-2 Q2, 3 &
7
4. Hormonal
influences in
animals
Pituitary hormones- GH & TSH
 P249 TYK Q1 &
2
5.
Environmental
influences in
plants
Individual macro-elements; symptoms
of deficiency of N, P, K & Mg; inhib
effect of Pb; effect of light on
vegetative shoot; effect of light on
flowering- long day & short day plants
 P270 TYK Q1
 P277 TYK Q1-3
2 periods
2 periods
-2-
Currie Community High School
Higher Biology Course Overview
Unit 3 Control & Regulation
Section
6
Environmental
influences in
animals
Content
Homework/
Assessment
Fe & Ca in animals; effect of Vit D
in humans; effects of drugs on
foetal development- nicotine,
alcohol & thalidomide; effect of
light on timing of breeding in birds
& mammals
7. Negative
feedback
Maintaining conditions within tolerable
limits; water conc of blood & conc of
cell chemicals; glucose & energy needs
of tissue; temperature regulation;
endotherms & ectotherms
 Pp283-4 TYK
Q1-3
 Data handling
pp289-90 AYK
Q2-3
 P288 TYK Q1-4
 Pp289-91 AYK
Q1
8.Regulation of
plant & animal
populations
Population fluctuations; density
dependent factors- e.g. temperature &
rainfall; density independent factorse.g. food supply, predation, competition
 P297 TYK Q1 &
3
 Pp 298-91 AYK
Q2, 3a & b, 5 &
7
Resources
Time
 Individual student projects on
this
 Scholar website
 TRIO OHT
4 periods
 Homeostasis in humans part 1
PowerPoint
 Control of blood water
concentration diagram
 Control of blood sugar
concentration diagram
 Homeostasis in humans part 2
PowerPoint
 Control of body temperature
diagram
 Scholar website
 TRIO OHT
 Regulation of populations
PowerPoint
 Scholar website
 TRIO OHT
6 periods
2 periods
-3-
Currie Community High School
Higher Biology Course Overview
Unit 3 Control & Regulation
Section
Content
9. Monitoring
wild populations
Purposes & methods of monitoring
populations
10. Succession
and climax in
plant
communities
Changes in species diversity, biomass &
complexity of food webs; unidirectional
nature of change, habitat modification
Homework/
Assessment
 P302 TYK Q1-3a
 P306 TYK Q1 &
2
 P 310 AYK Q7
 P314 TYK Q1-3a
&b
 Pp315-6 AYK Q3
&5
Resources
 Monitoring Populations
PowerPoint
 Scholar website
 TRIO OHT
 Plant succession PowerPoint
 Summary of succession
diagram
 www.south.is/surtsey
 Scholar website
 TRIO OHT
Time
2 periods
2 periods
-4-