Biology Quote by David Deutsch

The thing about a theory in science is it allows you make predictions. Evolutionary theory allows us to predict what apples will taste good…

— Bill Nye

The theory of evolution by natural selection is an ecological theory-founded on ecological observation by perhaps the greatest of all ecologists. It has been…

— Anonymous

Scientific theory is a contrived foothold in the chaos of living phenomena.

— Wilhelm Reich

The theory of evolution, like the theory of gravity, is a scientific fact.

— Neil deGrasse Tyson

I think it's a theory, the theory of evolution and I don't accept it as a theory.

— Ron Paul

The struggle for existence holds as much in the intellectual as in the physical world. A theory is a species of thinking, and its…

— Thomas Huxley

Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories…

— Marvin Harris

Evolution is an organizing principle and when we call it a theory, we mean it's a theory, we don't mean that it's a belief…

— Alan I. Leshner

First, Darwinian theory tells us how a certain amount of diversity in life forms can develop once we have various types of complex living…

— Phillip E. Johnson

“The formal scientific definition of theory is quite different from the everyday meaning of the word. It refers to a comprehensive explanation of some…

— National Academy of Sciences

The central problem of biological evolution is the nature of mutation, but hitherto the occurrence of this has been wholly refractory and impossible to…

— Hermann Joseph Muller

Is evolution a theory, a system, or an hypothesis? It is much more: it is a general condition to which all theories, all hypotheses,…

— Pierre Teilhard de Chardin