Unit: Natural selection Chapter: Origin of life on earth Reference: Origin of life, Theory of spontaneous creation (Theory of abiogenesis or Autogenesis), Evidences against the theory Redi’s experiment, Spallanzani experiment, Louis Pasteur experiment, Theory of panspermia or cosmozoic theory or spore theory, Theory of special creation, Theory of catastrophism, Theory of eternity, Modern theory or […]
Unit : Natural selection Chapter: Variations in populations Reference: Variations, Cause of Genetic variation, Adaptations due to variations, Phenotypic variation, Cause of Phenotypic Variation, Genetic diversity, and its importance Learning objectives To understand the factors responsible for variations in population Variations Genotypic variations are caused by differences in number or structure of chromosomes or by […]
Unit : Natural selection Chapter: Extinction Reference: Extinction, Effect of extinction, Causes of Extinction, Asteroid Strikes, Climate Change, Disease, Loss of habitat, Lack of Genetic Diversity, Better Adapted Competition, Pollution, Relation between speciation and extinction, Relation between extinction and adaptive radiation Learning objectives To understand the cause and effect of extinction Extinction When a species […]
Unit : Natural selection Chapter: Speciation Reference: Speciation, Speciation Causes, Natural selection Genetic drift, Migration, Natural causes, Types of speciation, Allopatric Speciation, Example of allopatric speciation, Sympatric Speciation, Examples of sympatric speciation Learning objectives To describe the conditions under which new species may arise. To describe the rate of evolution and speciation under different […]
Unit : Natural selection Chapter: Phylogeny Reference: Phylogeny, Evidence for specific phylogenies Phylogenetic tree, Importance of a phylogenetic tree Types of phylogenetic tree, Animal Phylogeny, Phylogenetic analysis in bioinformatics Learning objectives To describe the types of evidence that can be used to infer an evolutionary relationship. To explain how a phylogenetic tree and/or cladogram can […]
Unit : Natural Selection Chapter: Continuing Evolution Reference: Continuing evolution, Contributions to genomic evolution, Continuous change in fossil record, Evolution in antibiotic resistance Learning objectives To explain how evolution is an ongoing process in all living organisms. Continuing evolution Genomic changes over time indicate humans and other organisms are still evolving. Fossil records, evolution of […]
Unit : Natural selection Chapter: Common Ancestry Reference: Common ancestry, Homologous organs, Analogous organs, Fossils, Vestigial organs, Molecular Phylogeny, Homologous genes Learning objectives To understand the fundamental molecular and cellular features shared across all domains of life, which provide evidence of common ancestry Common ancestry Ancestral organism shared by two or more descendent lineages — […]
Unit : Natural selection Chapter: Evidences of evolution Reference: Evolution, Basis of evolution, Forms of evolution, Evidences of evolution Learning objectives To describe the types of data that provide evidence for evolution. To explain how morphological, biochemical, and geological data provide evidence that organisms have changed for evolution Evolution Evolution is the change in the […]
Unit: Natural selection Chapter: Hardy Weinberg equilibrium Reference: Hardy-Weinberg principle, Importance Learning objectives To describe the conditions under which allele and genotype frequencies will change in populations. To explain the impacts on the population if any of the conditions of Hardy-Weinberg are not met. Hardy-Weinberg principle Coined by G. H. Hardy and W. Weinberg, which […]
Unit : Natural selection Chapter: Population genetics Reference: Population genetics, Gene frequency, Genotype frequency, Hardy-Weinberg principle, Factors leading to frequency change, Mutations, Recombination of genes, Genetic drift, Founder effect, Bottleneck effect, Gene migration (gene flow), Natural selection, Importance of population genetics Learning objectives To understand the evolutionary factors responsible for showing variations in a population […]