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Oviparous

Oviparous

egg-laying.

Producing eggs which hatch after leaving the body of the female.

Antonym: viviparous, germinating while still attached to the parent plant. For example: some mangrove species.


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reptile eggs

... calcium carbonate? I though they do not, but now I'm correcting some laboratory protocol and I looked on the internet and As a rule, reptiles are oviparous (egg-laying), although certain species of squamates are capable of giving live birth. This is achieved by either ovoviviparity (egg retention) ...

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by JackBean
Thu Nov 03, 2011 3:23 pm
 
Forum: Zoology Discussion
Topic: reptile eggs
Replies: 4
Views: 2140

Bird Evolution

... egg-laying? I know that's a little preposterous using chickens as examples, but it had to happen at some point in evolutionary history. Of course oviparous birth probably evolved from ovoviparous birth, not vivaparous... There were definitely eggs around waaaay before what we call a chicken today ...

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by AstusAleator
Wed Apr 19, 2006 8:08 am
 
Forum: Evolution
Topic: Bird Evolution
Replies: 5
Views: 2605

Leeches

Leech is Annelida (class Hirudinae), so it is oviparous so far I know like another annelids. You can check it on your Zoology book. I am a bit nervous to open chapters of worms :oops: :roll:

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by Dr.Stein
Mon Feb 20, 2006 6:36 am
 
Forum: Zoology Discussion
Topic: Leeches
Replies: 42
Views: 22661

transgenic animals

... mean to be arrogant, but I have been in Embryology and Reproductive Biology and using egg or ovum doesn't mater for us in those fields. Reptilian (oviparous) and birds egg, oviparous mammal eggs, and also most terrestrial invertebrates eggs are protected by hard shell because they will laid in ...

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by Dr.Stein
Mon Jan 30, 2006 9:19 am
 
Forum: Molecular Biology
Topic: transgenic animals
Replies: 9
Views: 4898


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