Darwin's Theory Of Evolution Flashcards
Structure still present but serves no purpose
Vestigial organ
The study of early development of organisms
Embryology
Same structure but different use
Homologous structure
who said Inheritance of acquired traits through selective use
Lamarck
A well-supported testable explanation of phenomenon that have occurred in the natural world
Theory
The process by which modern organisms have descended from ancient organisms
Evolution
Who said “processes occurring now have shaped the earth’s geological features over long periods of time”
Lyell
Any inherited characteristic that increases an organisms chance of survival
Adaptation
Who said “scarcity of resources”
Malthus
Species today look different from there ancestors
Descent with modification
Members of each species compete regularly for resources
Struggle for existence
All living organisms are related to one another from a common ancestor
Common descent
Individuals that are best suited to their environment survive and reproduce most successfully
Survival of the fittest
Humans select from the naturally occurring genetic variations in a species
Artificial selection
Nature’s way of choosing only certain individuals of a population to produce new individuals
Natural selection
Published by Darwin
Origin of species
Who said “Earth is millions of years old”
Huton
The ability to survive and reproduce
Fitness
Preserved remains of ancient organisms
Fossil
Anatomical adaptation
A physical or chemical event inside the body of organisms
Structural adaptation
A physical feature that can be seen on the outside
Behavioural adaptation
A behaviour that the organism does to help it survive
