Weaponized penis drives sexual 'arms race' (in beetles)
Evolution works in mysterious ways, especially when it comes to sex.
Plants & Animals
May 24, 2017
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News tagged with male reproductive organs
How plants may be evolving to the lack of bees
Plants which used to have two types of male reproductive organs – to increase their chances for fertilisation – are reverting back to one type. And in some cases, they are becoming self-fertilising.
Plants & Animals
Jul 14, 2014
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Female fish develops male organs and impregnates self
(Phys.org)—A female cichlid hybrid fish has been observed to have grown male reproductive organs, impregnate itself and then to have offspring, a team of researchers in the U.K. are reporting in a paper published in the ...
Male spiders show their sensitive side
The sensory capacity of male spiders during mating may be higher than previously thought, a study in the open access journal Frontiers in Zoology suggests.
Plants & Animals
Oct 23, 2019
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118
Genital stimulation opens door for cryptic female choice in tsetse flies
Manipulation of male and/or female genitalia results in a suite of changes in female reproductive behavior in tsetse flies, carriers of African sleeping sickness.
Plants & Animals
May 14, 2009
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Tomato plant's male reproduction organs shrivel under high temperatures
The male reproductive organs of tomato plants can't stand the heat. When temperatures rise above 32 degrees Celsius for several consecutive days, their appearance changes and they produce less and less fertile pollen, leading ...
Plants & Animals
Dec 13, 2016
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The scent of love: Decomposition and male sex pheromones
Young virgin female hide beetles (Dermestes maculatus) are attracted to cadavers by a combination of cadaver odour and male sex pheromones, finds a new study published in BioMed Central's open access journal Frontiers in ...
Plants & Animals
Aug 13, 2012
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Flower's bellows organ blasts pollen at bird pollinators
A small tree or shrub found in mountainous Central and South American rainforests has a most unusual relationship with the birds that pollinate its flowers, according to a study reported in the journal Current Biology on ...
Plants & Animals
Jul 3, 2014
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New research finds that male pheromones may improve health of females' eggs
Male pheromones just might be the fountain of youth for aging female animals' eggs, according to a new Northwestern University study.
Plants & Animals
May 19, 2022
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120
Male competition over females: An evolutionary engine of genital evolution
When a female mates with several males, these will compete over the fertilization her eggs. This is an important evolutionary force that has led to the evolution of a diversity of male sexual organ morphologies. This is revealed ...
Plants & Animals
Oct 25, 2012
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