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Edexcel IGCSE biology - the nature and variety of living organisms revision notes

Explore the characteristics and diversity of living organisms, including prokaryotes and eukaryotes. This summary covers essential biological processes, cellular structures, and the role of pathogens. Ideal for Edexcel IGCSE Biology revision.

Living Organisms Overview

Revision note

Sofia

 notes - the nature and variety of living organisms

brief description of how the nitrogen cycle works 

Explore the essential processes of the nitrogen cycle, including nitrogen fixation, nitrification, and denitrification. This summary highlights the role of bacteria in converting nitrogen from the atmosphere into forms usable by plants and animals, ensuring the continuity of nutrient cycles in ecosystems.

Nitrogen Cycle Explained

jerinnnn 🐉

Study note

English

b4- the nitrogen cycle.  biology 

B4- The nitrogen cycle.  Biology 

Higher tier combined science flashcards about topics on Biology paper 1 

Flashcard

evie

Biology Paper 1 Knowledge Recall 

Explore the intricate processes of the Carbon and Nitrogen Cycles in this detailed summary. Understand how plants, animals, and decomposers interact within these biogeochemical cycles, the role of nitrogen-fixing bacteria, and the impact of human activities on carbon release. Ideal for GCSE Biology students preparing for exams.

Carbon & Nitrogen Cycles Explained

rowan

gcse biology carbon & nitrogen cycle 

Explore the role of fertilisers in enhancing food production, including their benefits and drawbacks. Understand how nitrates contribute to plant protein synthesis and the environmental impacts of fertiliser use, such as eutrophication and bioaccumulation. This summary covers key concepts in biology related to food yield, fertilisers, and sustainable agricultural practices.

Fertilisers and Food Yield

Presentation

Molly Hutton

food production

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Revise the key topics in this topics like temperature, light intensity, and carbon dioxide concentration impact the rate of photosynthesis and how farmers can optimize these factors for maximum yield. Aerobic, anaerobic respiration, metabolism

Explore the essential roles of glucose in respiration, photosynthesis, and metabolism. Understand how environmental factors like light intensity, temperature, and carbon dioxide concentration affect photosynthesis rates. This summary covers aerobic and anaerobic respiration, including equations and practical investigations for GCSE AQA biology.

Glucose Utilization & Respiration

Aarushi

Bioenergetics summarised revision notes GCSE AQA

aqa gcse combined science biology - paper 1 summary notes 

Comprehensive summary of AQA GCSE Combined Science Biology Paper 1, covering key concepts such as cellular structures, mitosis, respiration, osmosis, and the immune response. Ideal for quick revision and understanding of plant and animal biology, including non-communicable diseases and transport systems.

Biology Paper 1 Overview

olivia

 summarised notes for revision 

The Nitrogen Cycle - GCSE Combined Science

Explore the Nitrogen Cycle's key processes, including nitrogen fixation, the role of natural and artificial fertilizers, and methods for restoring soil fertility. This summary covers essential concepts for GCSE Biology, focusing on nutrient cycles, plant nutrition, and the impact of fertilizers on agriculture and the environment.

Understanding the Nitrogen Cycle

Lucinda Williams

Science

The Nitrogen Cycle - GCSE

biology revision map 1.1, 1.2, 1.3, 1.4, 1.5, 1.6

Explore key concepts in human digestion, blood circulation, and plant transport systems. This comprehensive study note covers the processes of digestion, nutrient absorption, and the circulatory system, including the roles of enzymes, blood vessels, and the impact of diet on health. Ideal for GCSE Biology revision.

GCSE Biology: Digestion & Transport

Mind map

A <3

WJEC GCSE Biology Unit 1

mindmap if all of the ecosystems topic including the carbon and nitrogen cycle

Explore the intricate relationships within ecosystems through the Carbon and Nitrogen Cycles. This summary covers key concepts such as energy transfer, trophic levels, and the roles of various organisms in nutrient cycling. Ideal for students studying ecology and environmental science.

The use of compost and manure by gardeners and farmers

10 best study notes in The use of compost and manure by gardeners and farmers