All Questions
Tagged with adaptation natural-selection
4 questions
97
votes
8
answers
24k
views
Why do some bad traits evolve, and good ones don't?
If a trait would be advantageous to an organism then why hasn't it evolved yet?
Conversely, if a trait is not advantageous or mildly disadvantageous, why does it exist?
In other words why does ...
10
votes
3
answers
2k
views
Genetic Diversity and Adaptation
I am somewhat new to evolutionary biology, having studied it on my free time as a computer science student. There is one particular thing that has always bothered me for which I have not seen a good ...
7
votes
2
answers
574
views
Empirical evidence for Group Selection?
A controversial concept in Biology "Group Selection", has caused confusion and conflict amongst scientists since the since the mid 1990s. The more general realm of study is termed the "unit of ...
3
votes
2
answers
456
views
Definitions of robustness and canalization
The concepts of robustness and canalization are fashionable today in the biology literature. However, I am not sure of their definitions and I am not sure either that all authors actually use the same ...