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In the ________ stage of development, a developing individual is about one-fifth of an inch and has developed a rudimentary beating heart, a brain, an intestinal tract, and a number of other organs that are at a primitive stage of development.

Respuesta :

Answer:

Embryonic stage  

Explanation:

Embryonic stage  

it is a stage of parental development in the 3rd month of pregnancy, where he or she at this stage is called embryo which is developed through cell division. At this stage of development, he or she has a heartbeat, other organs, etc. But at this stage at these developing organs are at the primary stage.

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