B6. Animal Nutrition

 (0654) Coordinated Sciences 2023/2024

Subheadings and Key concepts

B6.1. diet

• nutrients
• carbohydrates
• proteins
• fats/lipids
• vitamins (C, D)
• minerals (Ca, Fe)
• fibre
• water
• malnutrition: 
• starvation, constipation, CHD, obesity
• Kwashiorkor, Marasmus

B6.2. Alimentary canal

• stages of food breakdown: ingestion --> digestion --> absorption --> assimilation --> egestion
• organs and functions

B6.3. Digestion

• mechanical digestion
• teeth decay
• chemical digestion
• enzymes
• villi

B5. Plant Nutrition

 (0654) Coordinated Sciences 2023/2024

Subheadings and Key concepts

• photosynthesis
• investigating the need for
• chlorophyll
• light
• CO2
• investigating the rate of photosynthesis
• light intensity
• temperature
• leaf structure and function
• photosynthesis
• gas exchange
• transport
• importance of magnesium and nitrate ions

B4. Enzymes

 (0654) Coordinated Sciences 2023/2024

Subheadings and Key concepts

• enzyme, substrate, active site, enzyme-substrate complex, products
• factors affecting enzymes:
• temperature
• pH

B1. Characteristics of Living Organisms

 (0654) Coordinated Sciences 

Subheadings and Key concepts

• Movement
• Respiration
• Sensivity
• Growth
• Reproduction
• Excretion
• Nutrition

B13. Human influences on ecosystems

 (0654) Coordinated Sciences 2023/2024

Subheadings and Key concepts

• the Carbon cycle
• deforestation:
• extinction of species/ loss of biodiversity
• soil erosion
• flooding
• increase in atmospheric CO2
• water pollution
• eutrophication

B12. Organisms and their Environment

 (0654) Coordinated Sciences 2023/2024

Subheadings and Key concepts

• food chain, food web
• producer, consumer
• herbivore, carnivore, decomposer
• ecosystem, trophic level
• energy transfer between trophic levels