Required Practical: Investigating Photosynthetic Pigments with Chromatography Chloroplasts contain several different?photosynthetic pigments?within the?thylakoids, which?absorb different wav...
作為數(shù)學(xué)學(xué)術(shù)活動屆的巨頭元老，美國數(shù)學(xué)學(xué)術(shù)活動AMC的賽事影響力想必已經(jīng)不用再多描述了，作為美式數(shù)學(xué)學(xué)術(shù)活動，AMC在英國也很受認(rèn)可，牛津、劍橋都對有出色AMC成績的學(xué)生青睞有加，更不用說美國本土的MIT、CMU...
The Light Dependent Reaction Thylakoids Plant cells contain?chloroplasts?which is the site of photosynthesis Chloroplasts are filled with a fluid known as the?stroma The?system of membranes?...
Interpret Data To Suggest Relationships Between Organisms & Appreciate the Role of Genetic Technologies The gene pool The phenotype of all organisms is dependent on its genotype and envi...
Maths Skill: Calculating Mean Values & Standard Deviation Descriptive?statistics are invaluable when interpreting data from experiments Some experiments have thousands or millions of dat...
Quantitative Investigations of Variation Quantitative investigations of variation can involve the interpretation of mean values and their standard deviations A?mean?value describes the avera...
Apparatus & Techniques: Random Sampling Measuring the different levels of biodiversity within an ecosystem can be a tasking job Finding out which species live in an ecosystem and the siz...
Measuring Genetic Diversity A species can be defined as a group of organisms that are able to?interbreed?and?produce fertile offspring Members of one species are reproductively isolated from...
The Balance Between Conservation & Farming After the second world war there was a massive change in how food was produced There was a need to produce more food, at a quicker rate In othe...
Edexcel IGCSE Maths 復(fù)習(xí)筆記 4.11.1 Area - Formulae What is area and why do we need to calculate it? Area?is the amount of space taken up by a two-dimensional shape Volume?deals with three-dimensio...
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 復(fù)習(xí)筆記 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...
