The innate immune system includes physical and chemical—as well as cellular responses

TLS Online TPP Program

#Id: 9561

#XL - T Zoology

Ronald A. Fisher, John B. S. Haldane and Sewall Wright - which showed that mutation and natural selection together cause adaptive evolution.

TLS Online TPP Program

#Id: 9562

#XL - T Zoology

Neutral theory of molecular evolution

Developed by Motoo Kimura, who argued that most of the evolution of DNA sequences occurs by chance (genetic drift) rather than by natural selection. 

TLS Online TPP Program

#Id: 9563

#XL - T Zoology

Theory of recapitulation - Ernst Haeckel

He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

TLS Online TPP Program

#Id: 9564

#XL - T Zoology

Bergmann’s rule: Populations in colder climates tend to have greater body mass than those in warmer climates.

TLS Online TPP Program

#Id: 9565

#XL - T Zoology

Haldane’s rule: Hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

TLS Online TPP Program

#Id: 9566

#XL - T Zoology

Hamilton’s rule:  It states that an allele that causes an altruistic behavior will spread if the following condition is met (rb>C)