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Nutrition in plantsPlants and photosynthesis, other modes of nutrition in plants
Plants and their other mode of nutritionSaprotrophic, symbiotic relationship, replenishing nutrients of the soil
Nutrition in animalsDigestive system of humans - buccal cavity, oesophagus or food pipe, stomach, summary
Digestion in humansSmall intestine, large intestine, summary
Digestion in animalsDigestion in cattles, digestion in amoeba
Respiration in organismsAerobic and anaerobic respiration, breathing in organisms
Organs for respirationMechanism of breathing, path of air inside the lungs, the percentage of oxygen and carbon dioxide
Respiration in other organismsRespiration in cockroaches, earthworms, fishes and plants, summary
Circulatory system in animalsThe heart, functioning of circulatory system, pulmonary and systemic circulation
Excretory system in animalsOrgans involved in excretion, human excretory system, composition of urine
Transport of substances in plantsImportance of vascular tissue in transportation, xylem, phloem, transpiration
Reproduction in plantsAsexual reproduction - vegetative propagation, budding, fragmentation and spore formation
Sexual reproduction in plantsReproductive parts of a flower, pollination, fertilization, seed and fruit formation, seed dispersal
Significance of forestsIntroduction, forests rich in nutrients, green lungs, forests provide basic needs, summary
Forest vs urban citiesRain in forests, roots in forests, importance of forests, lack of forests


Grade 7 Biology Homework Help