Cambridge IGCSE® & O Level Essential Biology: Student Book Third Edition
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Description
Contents
Reviews
Language
English
ISBN
9781382006064
Contents
Introduction
Syllabus matching grid
Unit 1 Characteristics and classification of living organisms
1.1 Characteristics
1.2 Classification
1.3 Features of organisms
1.4 Vertebrates
1.5 Invertebrates
1.6 Ferns and flowering plants
1.7 Dichotomous keys
Practice questions
Unit 2 Organisation of the organism
2.1 Structure of cells
2.2 Cell organelles
2.3 Different types of cell
2.4 Levels of organisation
Practice questions
Unit 3 Movement into and out of cells
3.1 Diffusion
3.2 Osmosis
3.3 Osmosis in plant cells
3.4 Active transport
Practice questions
Unit 4 Biological molecules
4.1 Biological molecules
4.2 Chemical tests for biological molecules
4.3 DNA
Practice questions
Unit 5 Enzymes
5.1 Structure and action of enzymes
5.2 Factors affecting enzyme action: temperature
5.3 Enzymes and pH
Practice questions
Unit 6 Plant nutrition
6.1 Photosynthesis
6.2 What is needed for photosynthesis?
6.3 Products of photosynthesis
6.4 Rate of photosynthesis
6.5 Limiting factors
6.6 Leaves
6.7 Mineral requirements
Practice questions
Unit 7 Human nutrition
7.1 A balanced diet
7.2 Sources of nutrients
7.3 Nutrient deficiency
7.4 Digestion
7.5 Teeth
7.6 Mouth, oesophagus and stomach
7.7 Small intestine and absorption
Practice questions
Unit 8 Transport in plants
8.1 Transport systems
8.2 Water uptake
8.3 Transpiration
8.4 Measuring transpiration
8.5 Translocation
Practice questions
Unit 9 Transport in animals
9.1 Circulation
9.2 The heart
9.3 Heart and exercise
9.4 Blood vessels
9.5 Coronary heart disease (CHD)
9.6 Blood
9.7 Blood in defence
Practice questions
Unit 10 Diseases and immunity
10.1 Disease
10.2 Defence against disease
10.3 Vaccination
10.4 Aspects of immunity
10.5 Controlling the spread of disease
10.6 Drugs
Practice questions
Unit 11 Gas exchange in humans
11.1 The gas exchange system
11.2 Gas exchange
11.3 Breathing
11.4 Rate and depth of breathing
Practice questions
Unit 12 Respiration
12.1 Aerobic respiration
12.2 Anaerobic respiration
Practice questions
Unit 13 Excretion in humans
13.1 Excretion
13.2 Kidney structure
13.3 Kidney function
Practice questions
Unit 14 Coordination and response
14.1 Nervous control in humans
14.2 Neurones and reflex arcs
14.3 Synapses
14.4 Sense organs
14.5 More about the eye
14.6 Hormones
14.7 Controlling conditions
14.8 Controlling body temperature
14.9 Tropic responses
14.10 Investigating tropic responses
Practice questions
Unit 15 Reproduction
15.1 Asexual and sexual reproduction
15.2 Flower structure
15.3 Pollination
15.4 Fertilisation and seed formation
15.5 The male reproductive system
15.6 The female reproductive system
15.7 Fertilisation and implantation
15.8 Pregnancy
15.9 Sex hormones
15.10 The menstrual cycle
15.11 Sexually transmitted infections (STIs)
Practice questions
Unit 16 Inheritance
16.1 Chromosomes, genes and DNA
16.2 Protein synthesis I
16.3 Protein synthesis II
16.4 Mitosis
16.5 Meiosis
16.6 Inheritance and genes
16.7 Monohybrid inheritance
16.8 Codominance
16.9 Sex linkage
Practice questions
Unit 17 Variation and selection
17.1 Variation
17.2 Investigations into variation
17.3 Mutations
17.4 Adaptive features
17.5 Natural selection
17.6 Natural selection in action
17.7 Selective breeding
Practice questions
Unit 18 Organisms and their environment
18.1 Energy flow
18.2 Pyramids of numbers and biomass
18.3 Shortening the food chain
18.4 Nutrient cycles
18.5 The nitrogen cycle
18.6 Populations, communities and ecosystems
Practice questions
Unit 19 Human influences on ecosystems
19.1 Food supply
19.2 Habitat destruction
19.3 Pollution
19.4 Water pollution
19.5 The greenhouse effect
19.6 Sustainable resources
19.7 Endangered species
19.8 Captive breeding
19.9 Conservation
Practice questions
Unit 20 Biotechnology and genetic modification
20.1 Microorganisms and biotechnology
20.2 Enzymes and biotechnology
20.3 Fermenters
20.4 Genetic modification
Practice questions
Alternative to practical paper
Practical investigations
Exams skills practice – Practicals
Sample exam questions
Glossary
Index
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