Biological Diversity and Evolution (HSC SSCE Biology): Flashcards

Variety of all forms of life on Earth

Genetic, species, ecosystem diversity

Raw material of evolution

Variability, heritability, over-reproduction, competition

Cannot interbreed & produce fertile offspring

All possible gene varieties in interbreeding organisms

Speciation when populations become isolated

Changes within a species

Darwinian evolution based on modern genetics

Variation enabling organism to cope with selection pressure