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The mating game (QM)

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Imberbe
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The mating game (QM)

Unread post by Imberbe » Sun Nov 09, 2014 9:38 pm

Just a quick one ...

There is something rather unique when it comes to mating in the millipede world. What is it?
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Re: The mating game (QM)

Unread post by Timepilot » Mon Nov 10, 2014 12:29 am

The fact that the male lays spermatophores in a web that are then picked up by the female later on or the fact that the male has primary and secondary sexual organs?
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Re: The mating game (QM)

Unread post by Imberbe » Mon Nov 10, 2014 8:56 am

No, that applies to some other arthropods, but not to millipedes.
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Re: The mating game (QM)

Unread post by Philip1 » Mon Nov 10, 2014 9:36 am

Before mating, the male millipede gets ready by curling his body so that the sperm can be transferred to his Gonopods so he can mate?
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Re: The mating game (QM)

Unread post by Hippotragus » Mon Nov 10, 2014 9:45 am

Mating pairs intertwine to allow the male to deposit a spermatophore onto the female. In pill millipedes the male makes a squealing sound to induce the female to uncoil and accept the spermatophore.
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Re: The mating game (QM)

Unread post by Imberbe » Tue Nov 11, 2014 6:06 pm

Good info ... :thumbs_up:

What is quite strange is that the sexual openings of both sexes are in the front section of their bodies after the third segment. With most animals the sexual organs are at the back.
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Re: The mating game (QM)

Unread post by Philip1 » Mon Nov 17, 2014 9:03 am

Imberbe :thumbs_up: We learn very day. Thank you. :)
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Re: The mating game (QM)

Unread post by onewithnature » Sat Nov 29, 2014 1:32 am

Great, mate, to have this mating quiz back under testosteronal control. :twisted: Thanks for the fine information - as always, IB. :clap:
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Re: The mating game (QM)

Unread post by Imberbe » Mon May 04, 2015 11:19 pm

In birds, weight is a major factor as this limits their ability to fly.

Female birds lay eggs to limit the weight they need to carry around. This heavy object is then incubated outside of the body until the chick hatches.

Name a "similar" strategy male birds have for the same reason.
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Re: The mating game (QM)

Unread post by George_Brits » Thu May 07, 2015 9:29 am

The lowered weight in adult birds rearing young should result in energy savings during flight, thus, male birds could eat a smaller proportion of the food collected themselves and give a larger proportion to the young??

Keeps fingers crossed and hope this is the correct answer :)

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Re: The mating game (QM)

Unread post by Imberbe » Thu May 07, 2015 5:15 pm

Good try!

Male birds are indeed often lighter in weight than females because of a smaller body size. This could indeed mean that they need to eat less. They do not need the bulk to be able to produce eggs. A smaller body size often has added benefits. In birds of prey it is often easier for a smaller bird to capture prey.

But no ... not the answer I am looking for. :wink:
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Re: The mating game (QM)

Unread post by Philip1 » Thu May 07, 2015 6:14 pm

:think:
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Re: The mating game (QM)

Unread post by George_Brits » Thu May 14, 2015 5:06 pm

Imberbe wrote:Good try!

Male birds are indeed often lighter in weight than females because of a smaller body size. This could indeed mean that they need to eat less. They do not need the bulk to be able to produce eggs. A smaller body size often has added benefits. In birds of prey it is often easier for a smaller bird to capture prey.

But no ... not the answer I am looking for. :wink:


This has me bothered for a week now already, Imberbe :D any clues??

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Imberbe
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Re: The mating game (QM)

Unread post by Imberbe » Thu May 14, 2015 5:57 pm

:twisted: I was thinking that you guys were just polishing your answers ... :whistle:

Clue: It has something to do with the way they "manage" something which males have two of and females none ...
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Re: The mating game (QM)

Unread post by George_Brits » Sun May 17, 2015 8:03 pm

Two testes vs singular ovary???


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