



Adaptive Radiation

Speciation

Allopatric speciation

Sympatric speciation

Post-zygotic isolating mechanism
Zygote mortality
Hybrid infertility
Hybrid inviability

Pre - zygotic isolating mechanism

Behavioral

Geographic
Temporal

Mechanical

Gradualism

Fossil records

Punctuated Equilibrium

Genetic drift


Patterns of speciation

Divergent evolution

Convergent Evolution


Allele frequency

Gene flow

Bottleneck effect

Hardy weinberg Principle
p² + 2pq + q² = 1
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Natural selection

Sexual selection
Resource Distribution

Male Competition

Sexual dimorphism

Female Choice

Diversifying selection

Stabilizing selection

Directional selection

Darwinian Fitness


Sexual dimorphism

Mating

Produce fertile offspring