AQA A Level Biology复习笔记7.4.7 Growth Rate of Microorganisms
Apparatus & Techniques: Investigating Growth Rate Using Turbitity Measurements The population growth rate of microorganisms, such as bacteria or yeast, can be investigated by growing the...
Edexcel IGCSE Biology 复习笔记 2.7.5 Human Gas Exchange System
Edexcel IGCSE Biology 复习笔记 2.7.5 Human Gas Exchange System Structure of the Breathing System The lungs are the gas exchange surface in humans All gas exchange surfaces have features in common w...
AQA A Level Biology复习笔记7.4.6 Succession
Primary Succession Ecosystems are dynamic, meaning that they are constantly changing Sometimes, ecosystems change from being very simple to being relatively complex This process is known as ...
AQA A Level Biology复习笔记7.4.5 Ecosystems
Ecosystems are Dynamic Ecosystems Species do not exist by themselves in their own isolated environment, they interact with other species forming a community The species within a community in...
Edexcel IGCSE Biology 复习笔记 2.7.4 Practical: The Effect of Light on Gas Exchange in Plants
Edexcel IGCSE Biology 复习笔记 2.7.4 Practical: The Effect of Light on Gas Exchange in Plants Practical: The Effect of Light on Gas Exchange in Plants Apparatus Boiling tubes Cotton wool Alu...
Edexcel IGCSE Biology 复习笔记 2.7.3 Plants: Gas Exchange in Photosynthesis & Respiration
Edexcel IGCSE Biology 复习笔记 2.7.3 Plants: Gas Exchange in Photosynthesis & Respiration Gas Exchange: Photosynthesis & Respiration The processes of respiration and photosynthesis b...
AQA A Level Biology复习笔记7.4.4 Estimating the Size of a Population
Estimating the Size of a Population Measuring all the different levels of biodiversity within an ecosystem could be very time consuming Finding out which species live in an ecosystem and the...
Edexcel IGCSE Biology 复习笔记 2.7.2 Leaf Structure
Edexcel IGCSE Biology 复习笔记 2.7.2 Leaf Structure Leaf Structure The structure of the leaf is adapted to carry out both photosynthesis and gas exchange The different cell types (palisade m...
AQA A Level Biology复习笔记7.4.3 Carrying Capacity
Carrying Capacity The maximum stable population size of a species that an ecosystem can support is known as the carrying capacity Every individual within a species population has the potenti...
Edexcel IGCSE Biology 复习笔记 2.7.1 Diffusion in Gas Exchange
Edexcel IGCSE Biology 复习笔记 2.7.1 Diffusion in Gas Exchange Diffusion in Gas Exchange Diffusion is the movement of molecules from a region of its higher concentration to a region of its l...
AQA A Level Biology复习笔记7.4.2 Abiotic & Biotic Factors
Abiotic & Biotic Conditions Niche The place where a species lives within an ecosystem is its habitat The role that a species plays within its habitat is known as its niche, including: Th...
Edexcel IGCSE Biology 复习笔记 2.6.3 Practical: Investigating Respiration
Edexcel IGCSE Biology 复习笔记 2.6.3 Practical: Investigating Respiration Practical: Investigating Respiration We can investigate the production of carbon dioxide and heat from respiration through ...
