AQA A Level Biology復習筆記7.3.3 Selective Advantage
Selective Advantage Every individual within a species population has the?potential to reproduce?and have offspring In reality, however, there are many?environmental factors?that?prevent?ever...
AQA A Level Biology復習筆記7.3.2 Natural Selection
Natural Selection Every individual within a species population has the?potential to reproduce?and have offspring which contribute to population growth If all the offspring of every individua...
Edexcel IGCSE Biology 復習筆記 2.5.12 The Energy Content of Food
Edexcel IGCSE Biology 復習筆記 2.5.12 The Energy Content of Food Practical: Energy Content of a Food Sample We can investigate the energy content of food in a simple calorimetry experiment A...
Edexcel IGCSE Biology 復習筆記 2.5.11 Absorption
Edexcel IGCSE Biology 復習筆記 2.5.11 Absorption Absorption of Food & Water The Stages of Food Breakdown Food taken into the body goes through several?different stages?during its ...
Edexcel IGCSE Biology 復習筆記 2.5.10 Humans: Bile
Edexcel IGCSE Biology 復習筆記 2.5.10 Humans: Bile Bile Production Bile is an?alkaline?substance produced by cells in the?liver Before being released into the?small intestine?bile is stored ...
AQA A Level Biology復習筆記7.2.3 Hardy-Weinberg
Natural Selection: Hardy-Weinberg Principle The Hardy-Weinberg principle states that if certain conditions are met then the?allele frequencies of a gene within a population will not change f...
AQA A Level Biology復習筆記7.2.2 Gene Pools & Allele Frequency
Gene Pools & Allele Frequency Gene pools The?phenotype?of an organism is dependent on its?genotype?and the environmental influence on the organism Members of the?same species?will have t...
AQA A Level Biology復習筆記7.1.6 The Chi-squared Test
Predicting Inheritance: Chi-squared Test The?difference between expected and observed results?in experiments can be statistically significant or insignificant (happened by chance) If the dif...
AQA A Level Biology復習筆記7.1.5 Investigating Genetic Ratios
Apparatus & Techniques: Investigating Genetic Ratios Known information about genotypes, phenotypes and the process of meiosis can be used to make?predictions?about the phenotypes of offs...
