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9031800
Speciation
Descrição
Mind map outlining the heading and subheadings needed to write out notes
Sem etiquetas
biology #speciation #ncea #level3
biology
ncea level 2
Mapa Mental por
Billie Sims-Fowler
, atualizado more than 1 year ago
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Criado por
Billie Sims-Fowler
quase 7 anos atrás
304
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Resumo de Recurso
Speciation
Mechanisms of evolution
Genetic variation
Mutations
New alleles
Sexual reproduction
Independent assortment
Crossing over
Segregation
Genetic drift
Bottleneck effect
Founders effect
Gene flow
Small vs large populations
Natural selection
Genetic variation
Selection pressures
Stabilising selection
Directional selection
Disruptive selection
The Origin of species
Define Biological species
Stages in species development
reproductive isolating mechanisms (RIM'S)
Gene flow reduced
Geographical isolation
Common casues
Effect on gene flow
Behavioural isolation
Ecological isolation
Temporal isolation
mechanical isolation
Gametic isolation
Polyploidy
How it leads to speciation
How is this advantageous
Hybrids
Variation
Natural selection
Mutation
New Zealand geographical past
Effect on speciation
Types of speciation
Allopatric speciation
Explain significance of... in allowing allopatric speciation to occur
Migration
Geographical isolation
Ecological isolation
Sympatric speciation
Compare and contrast allopatric and sympatric speciation
How this effects the evolution of plants and animals
Patterns of Evolution
Define
Adaptive radiation
Supported by DNA and fossil evidence
Divergent evolution
How the presence of a homologous structure can support this
Convergent evolution
May cause analogous structures to arise
Co-evolution
Examples
Flowering plants and pollinators
Parasites and their hosts
Predators and their prey
Grazing herbivores and grassland species
Biogeoraphy
How it allows adaptive radiation o occur
How it brings about divergent evolution from a common ancestor
Types of scientific evidence
Describe
Fossil evidecne
Comparative anatomy
Analogous
Homologous
Molecular biology
Proteins
DNA analysis
Link to a pattern of evolution
Rate of evolutionary change
Pace of evolutionary change
Punctuated equilibrium
Gradualism
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