<span>Opaca and Marginal zone stays outer and does not move during chick gastrulation,
The zone opaca is a thick fringe ring comprising of more than one cell, it is joined to the germ wall. The Marginal zone lies at the fringe between the range opaca and the region pellucida</span>
Answer:
"Do algae grow more in water with a high salt content than in water without salt?"
You could boost the absorption<span> of calcium and </span>phosphorus<span> by loading up on vitamin D, which enhances the way you absorb </span><span>these minerals from the digestive tract it also inhibits their excretion from urinating.
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