AQA A Level Biology复习笔记4.6.3 Index of Diversity
The Index of Diversity Once the abundance of different species in an area has been recorded the results can be used to calculate the species diversity or biodiversity for that area Species d...
Edexcel IGCSE Maths 复习笔记 4.10.2 Sine & Cosine Rules, Area of Triangle - Harder
Edexcel IGCSE Maths 复习笔记 4.10.2 Sine & Cosine Rules, Area of Triangle - Harder Choosing which rule or formula to use It is important to be able to decide which Rule or Formula to use to ans...
AQA A Level Biology复习笔记4.6.2 Species Richness
Species Richness Species richness is the number of species within a community A community is a group of populations of different species living in the same place at the same time that intera...
AQA A Level Biology复习笔记4.5.4 Evolutionary Relationships
Appreciating How Evolutionary Relationships Were Clarified In the past scientists encountered many difficulties when trying to determine the evolutionary relationships of species Using the physical...
AQA A Level Biology复习笔记4.5.3 Hierarchy of the Taxa
Hierarchy of the Taxa The hierarchical classification system of organisms in biology is used to organise and group similar organisms together so that they can be more easily understood A hie...
AQA A Level Biology复习笔记4.5.2 Phylogenetic Classification
Phylogenetic Classification Taxonomy is the practice of biological classification The phylogenetic classification system enables us to arrange species into groups based on their evolutionary...
AQA A Level Biology复习笔记4.4.6 Investigating Microbial Growth
Required Practical: Affecting Microbial Growth When investigating the effect of antimicrobial substances on microbial growth it is essential that aseptic techniques are used Aseptic techniqu...
AQA A Level Biology复习笔记4.4.5 Environmental Adaption
Adapting to the Environment Environmental factors that affect the chance of survival of an organism are selection pressures For example, there could be high competition for food between lion...
AQA A Level Biology复习笔记4.4.4 Directional & Stabilising Selection
Directional & Stabilising Selection Environmental factors that affect the chance of survival of an organism are selection pressures For example, there could be high competition for food ...
