Natural selection was Darwin’s brilliant hypothesis, independently conceived by Wallace, that accounts for adaptations, features that appear “designed” to fit organisms to their environment.

TLS Online TPP Program

#Id: 7057

#XL - T Zoology

Ockham’s principle - Principle of parsimony 

TLS Online TPP Program

#Id: 7058

#XL - T Zoology

The Forces of Evolution

mutation, 

genetic drift

gene flow or migration

selection.

TLS Online TPP Program

#Id: 9534

#XL - T Zoology

Emergence of evolutionary thoughts

TLS Online TPP Program

#Id: 9535

#XL - T Zoology

TLS Online TPP Program

#Id: 9536

#XL - T Zoology

Evolution

Evolution means descent with modification, or change in the form, physiology, and behavior of organisms over many generations of time. 

TLS Online TPP Program

#Id: 9537

#XL - T Zoology

Proximate causes - The subject of cell biology, neurobiology, and many other biological disciplines.

Ultimate causes - Their historical causes, especially the action of natural selection.