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I can answer questions about evolutionary mechanisms and theory, including genetic drift, mutation, natural selection, etc. I also can clear up misconceptions about evolution as it's sometimes talked about by those not well-versed in the subject (e.g., some politicians and many religious fundamentalists).

Experience in the area

I have a Ph.D. in Biology, and presently teach Evolution and Biodiversity, Genetics, Botany, and Zoology at the University of Miami.


House Rabbit Society Beta Beta Beta Biological Honor Society


Exotic DVM Magazine (veterinary journal)


B.S. in Biology B.A. in English Ph.D. in Biology

What do you like about this subject?

It has everything to do with who we are and where we are going as a species!

What do you still hope to achieve/learn in this field?

Since so many people have misconceptions about how evolution works, I'd like to help make the subject more clear and easier to understand for everyone, including non-scientists.

Something interesting about this subject that others may not know:

Humans did not "evolve from" apes or monkeys. The fossil record is not the best tool for studying evolutionary relationships.

Something controversial or provocative about this subject

When someone asks me "Do you believe in evolution?" my answer is "No." Evolution is not a matter of belief or disbelief. It is an observable phenomenon that can be seen occurring all around us every day. So I don't believe in it: I see it and accept it as a fact. The only thing "theoretical" about evolution is the mechanisms by which it occurs.

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Recent Reviews from Users

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    K = Knowledgeability    C = Clarity of Response    P = Politeness
Prashant S Akerkar 09/05/16101010Dear Dana Thanks. Prashant
Charles09/24/15101010Thank you very much.
Wade08/10/15101010Thank you!
Samantha Jones12/08/14101010Superb, thanks.
Monique11/12/14101010Thank you SO much!! This is a .....

Recent Answers from Dana Krempels

2016-09-19 Evolution:

Dear Adam,    All squirrel species descended from a common ancestor that had the characteristics that all squirrels now share in common.  However, as the ancestral squirrel population split off and migrated

2016-09-09 EVOLUTION:

Dear Adam,    This is actually not a simple question, because it requires that you have some knowledge of how evolution works in the first place.    There are many mechanisms by which an ancestral lineage

2016-09-08 EVOULOTION:

Dear Adam,    While we cannot go back in time to actually view the transition of single-celled organisms into multicellular ones, we can see evidence of such a change in the fossil record and in living

2016-09-02 Evolution of sex difference:

Dear Adam,    The question of how much of human behavior is "nature" (genes) and how much is "nurture" (environmental influence) is an ongoing one, especially because one cannot ethically subject humans

2016-08-14 regarding human brain:

Dear Ameen,    Nature did not produce humans "from scratch."  Pre-existing species were our ancestors, and those took billions of years to evolve from single-celled organisms.  The human brain did not


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