isabelrivera200
isabelrivera200 isabelrivera200
  • 16-02-2018
  • Biology
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Egg-laying land animals have evolved to produce eggs with tough shells to ensure the

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Аноним Аноним
  • 16-02-2018
I would say to make sure the eggs survive with the animal inside them. to make sure they don't break. The eggs carry baby's, so they need to be tough, and protect the baby.
~Deceptiøn
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smartguy75555
smartguy75555 smartguy75555
  • 16-02-2018
they dont crack if they even roll in to the nest or dropped from the females egg laying
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