Macroevolutio1 - Macroevolution What is macroevolution?...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Macroevolution What is macroevolution? First, we have to get the definitions right. The following terms are defined: macroevolution, microevolution, cladogenesis, anagenesis, punctuated equilibrium theory, phyletic gradualism Creationists often assert that "macroevolution" is not proven, even if "microevolution" is, and by this they seem to mean that whatever evolution is observed is microevolution, but the rest is macroevolution. In making these claims they are misusing authentic scientific terms; that is, they have a non-standard definition, which they use to make science appear to be saying something other than it is. Evolution proponents often say that creationists invented the terms. This is false. Both macroevolution and microevolution are legitimate scientific terms, which have a history of changing meanings that, in any case, fail to underpin creationism. In science, macro at the beginning of a word just means "big", and micro at the beginning of a word just means "small" (both from the Greek words). For example, "macrofauna" means big animals, observable by the naked eye, while "microfauna" means small animals, which may be
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Macroevolutio1 - Macroevolution What is macroevolution?...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online