Linked Questions

-2 votes
1 answer
565 views

Approaches towards a theory of innovation in evolution

Evolutionary biologist Andreas Wagner writes in his book "The Origins of Evolutionary Innovations: A Theory of Transformative Change in Living Systems" (Oxford University Press, 2011): We are ...
vonjd's user avatar
  • 1,061
1 vote
4 answers
355 views

evolution of advanced math ability [closed]

I am trying to convince a friend that human beings evolved from primates, and he challenged me that advanced mathematical ability couldn't have been the product of mutation and natural selection ...
bruce lenantak's user avatar
2 votes
1 answer
781 views

Evolutionary elimination of recessive gene

As recessive gene is suppressed, why over millions of year of evolution have not wiped them away completely, why don't they just go extinct, as people with those genes go extinct?
murmansk's user avatar
  • 1,817
1 vote
0 answers
2k views

Why don't all organisms reproduce asexually?

According to a comment at Why are not all species hermaphrodites?, asexually reproducing species go extinct more easily. However, I don't think sexual reproduction is a true evolutionary stable ...
Timothy's user avatar
  • 886
1 vote
1 answer
781 views

How did the moray eel evolve a pharyngeal jaw? [closed]

I am referring to the retractable second set of jaws in the moray eel. How can one imagine such an evolutionary step to have occurred? Just by chance an eel grew a second internal jaw and it was ...
Lenar Hoyt's user avatar
-6 votes
1 answer
557 views

Ugly people and genome [closed]

Why haven't ugly and dumb people been eliminated be evolution ? Why do they still exist despite Charles Darwin theory of natural selection.
Jfjdkksjsjk's user avatar
0 votes
2 answers
326 views

Is there any species of mammals where males can feed the offspring with milk?

It seems to me that an evolutionary path where not only females, but also males could feed the offsprings is entirely plausible: the males anyway have niples, so it is easy for the offsprings to ...
Anixx's user avatar
  • 3,016
2 votes
2 answers
131 views

What terrestrial trait makes cetaceans so successful in an aquatic lifestyle?

Intuitively, I would expect that an organism that has lived in the ocean for millions of years and can breathe underwater should outcompete any newcomer that is not fully adapted for oceanic life. It ...
IndigoFenix's user avatar
0 votes
1 answer
333 views

If sexuality is genetic, how did asexuality evolve?

If sexuality is genetic, then it stands to reason that evolution would strongly favor people who have children. In other words, heterosexuality & bisexuality should be favored, while homosexuality ...
Allure's user avatar
  • 547
1 vote
1 answer
512 views

Why don't plants use radio waves?

I heard that the Earth's atmosphere is opaque at most wavelengths and only allows visible light and radio waves through, so why have plants evolved to only absorb visible light?
user26347's user avatar
6 votes
1 answer
132 views

Evolution of diversity and extinction resistance

I saw a comment on an answer to another question that touched on an interesting topic: keeping diversity is useful for parameter exploration or to adapt to future environmental change My initial ...
augurar's user avatar
  • 1,584
2 votes
1 answer
405 views

Under what circumstances does Batesian mimicry evolve? [closed]

Batesian mimicry is a form of biological resemblance in which a noxious, or dangerous, organism (the model), equipped with a warning system such as conspicuous colouration, is mimicked by a harmless ...
Aidan Rocke's user avatar
1 vote
3 answers
312 views

What is the evolutionary advantage with two lungs (kidneys)? [closed]

What is the evolutionary advantage with two lungs (kidneys)? Most living beings only have one heart, one stomach. Most internal organs are not doubled and if one lung fails it is not exactly quite ...
d-b's user avatar
  • 365
2 votes
1 answer
226 views

Is there an evolutionary advantage for coconut oils to be rich in saturated fats?

I know that coconut oil is composed of multiple saturated fatty acids, but is there a reason why this would have increased the fitness of the coconut plant?
J S's user avatar
  • 29
1 vote
1 answer
263 views

Why do humans share over 99% of their genomes?

From Wikipedia The haploid human genome (23 chromosomes) is about 3 billion base pairs long and contains around 30,000 genes.[33] Since every base pair can be coded by 2 bits, this is about 750 ...
SKG's user avatar
  • 45

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