After Darwin proposed his ideas about natural selection as a mechanism for evolution, it took time before evolution was generally considered a theory. Why do we now refer to it as a theory?

Question

anonymous · Answer

can anyone help?

anonymous · Answer

Theory is a speculation.. you understand that?

anonymous · Answer

or in other words.. it is an "explanation" of a lot of evidence supporting a hypothesis... which in this case is  natural selection as a mechanism for evolution.

anonymous · Answer

ok thanks

anonymous · Answer

so we refer to it still as a theory because we have nothing as of yet to dismiss the evidence.

anonymous · Answer

ok so what about this one 
Which of the following answer choices lists the ancestors of the modern horse, in order, from the oldest that lived 60 million years ago to the most recent that lived 7 million years ago?
	Hyracotherium, Mesohippus, Merychippus, Pliohippus, because over time, the number of toes decreased and body size increased.
	Pliohippus, Mesohippus, Merychippus, Hyracotherium, because over time, the number of toes increased and body size decreased.
	Hyracotherium, Merychippus, Mesohippus, Pliohippus, because over time, the number of toes decreased and body size increased.
	Pliohippus, Merychippus, Mesohippus, Hyracotherium, because over time, the number of toes increased and body size decreased.

anonymous · Answer

heres the image