Why are females more powerful and larger than males in certain species while in others they are smaller and weaker?
In: Biology
You see this in a few mass egg laying creatures – a bigger female means more eggs and likely healthier eggs, so more offspring. The make sex cells are smaller and less energy intensive to produce, so there’s less benefit to them being bigger.
In these species if there isn’t an outside evolutionary pressure on the male to be bigger than the female, due to however the local ecosystem works, then the female of the species can wind up being larger.
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