I am curious to know this considering generally human males tend to be physically stronger than females under a combative premise. When witnessing two dogs of the same breed fighting male and female I wonder is it likely the male dog will usually win.
BQ: Does the degree of sexual dimorphism in all creatures including humans correlate or control capacity for strength?
BQ: Does the degree of sexual dimorphism in all creatures including humans correlate or control capacity for strength?
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Strength is correlated with size. Larger animals are generally stronger. In most animals, the females are larger, because larger females can carry more eggs. A female can therefore maximize her individual fitness by growing to a larger size. Natural selection therefore favor those females that are larger. The exception to this general rule occurs when there is male-male combat for the right to mate. In such cases males must grow to a large size to mate successfully. In these species, males are generally larger.
For example, the male leaf frog (the one on top) is noticeably smaller in the following photo, because there is no male-male combat
http://www.flickr.com/photos/greenwild/5…
The following photo is a pair of elephant seals. Male elephant seals fight with other males for the right to mate. So the male is much bigger, and stronger
http://fall11marinecology.providence.wik…
For example, the male leaf frog (the one on top) is noticeably smaller in the following photo, because there is no male-male combat
http://www.flickr.com/photos/greenwild/5…
The following photo is a pair of elephant seals. Male elephant seals fight with other males for the right to mate. So the male is much bigger, and stronger
http://fall11marinecology.providence.wik…
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No there are several species where the male simply serves as a parasite hanging from the female.
http://zoocrewkids.blogspot.com/
http://zoocrewkids.blogspot.com/
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Maybe in mammals :D, but there are always exceptions D:.