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Brood

Brood

1. The young birds hatched at one time; a hatch; as, a brood of chicken. As a hen doth gather her brood under her wings. (Luke xiii. 34) A hen followed by a brood of ducks. (Spectator)

2. The young from the same dam, whether produced at the same time or not; young children of the same mother, especially if nearly of the same age; offspring; progeny; as, a woman with a brood of children. The lion roars and gluts his tawny brood. (Wordsworth)

3. That which is bred or produced; breed; species. Flocks of the airy brood, (Cranes, geese or long-necked swans). (Chapman)

4. (Science: chemical) heavy waste in tin and copper ores. To sit on brood, to ponder.

Origin: oe. Brod, as. Brod; akin to D. Broed, OHG. Bruot, g. Brut, and also to g. Bruhe broth, MHG. Brueje, and perh. To E. Brawn, breath. Cf. Breed.


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Re: The evolution of facilitation and semelparity

... in terms of fitness. ) Thus semelparity is better as the parent can now reproduce when conditions are temporarily favourable, producing a large brood and exploiting this environment, allowing the best chances of offspring survival, hence maximizing fitness. Fecundity(future reproduction) vs ...

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by Youngji
Sun Jan 11, 2015 11:55 am
 
Forum: Evolution
Topic: The evolution of facilitation and semelparity
Replies: 3
Views: 958

Re: Please read! About life history strategies!

... it appears that investment in a small number of offspring will not be optimal, due to the risk of reproducing in bad years and losing much of the brood. Thus r selection is again better as the parent can now reproduce when conditions are temporarily favourable, producing a large brood and exploiting ...

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by Youngji
Sun Jan 11, 2015 11:30 am
 
Forum: Ecology
Topic: Please read! About life history strategies!
Replies: 2
Views: 1007

Re: mammary gland of male in mammals

... the family for the parental instincts necessary to support a new infant. Male and female eagles experience high levels of prolactin when their brood hatches--and these creatures cannot breastfeed. Thus, new fathers have been known to “will” themselves to produce milk, get so freaked out that ...

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by Annij
Sun Nov 03, 2013 4:47 am
 
Forum: Evolution
Topic: mammary gland of male in mammals
Replies: 18
Views: 21263

Re: Artificial Meiosis and gamete production

... Kaguya. Born from the genetic material of two mouse eggs, each from different female mice. As an adult Kaguya grew up healthy and even had her own brood when she mated (the conventional way) with a male mouse. Kaguya’s mouse pups were born fine and went on to have their own offspring. Essentially, ...

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by Sepals
Thu Feb 26, 2009 4:16 pm
 
Forum: Cell Biology
Topic: Artificial Meiosis and gamete production
Replies: 5
Views: 6346

Re: Artificial Meiosis and gamete production

... Kaguya. Born from the genetic material of two mouse eggs, each from different female mice. As an adult Kaguya grew up healthy and even had her own brood when she mated (the conventional way) with a male mouse. Kaguya’s mouse pups were born fine and went on to have their own offspring. Essentially, ...

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by profess75
Tue Feb 24, 2009 11:13 am
 
Forum: Cell Biology
Topic: Artificial Meiosis and gamete production
Replies: 5
Views: 6346
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