Adaptation

Mimicry

Variations

Mutations

Selective Advantage

Selective pressure

Fitness

Biotechnology

Natural Selection

Artificial Selection

Sexual Selection

Monoculture

Fossil Record

Transitional Fossils

Vestigial Structure

Biogeography

Homologous structures

Analogous structure

Embryology

Gene Pool

Non-random mating

Genetic Drift

Founder effect

Bottleneck effect

Stabilizing Selection

Directional selection

Disruptive Selection

Speciation

Pre- zygotic isolating mechanism

Behavioural isolating mechanism

Habitat isolating mechanism

Temporal isolating mechanism

Mechanical Isolating Mechanism

Gametic Isolating Mechanism

Post - Zygotic Isolating Mechanism

Hybrid Inviability

Hybrid Sterility

Hybrid Breakdown

Sympatric Speciation

Allopatric Speciation

Ecological Niche

Adaptive Radiation

Gradualism

Punctuated Equilibrium