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RoseWind [281]
3 years ago
5

Put the items in the correct order. Below is a sequence of events. Place them in the order they should occur, number 1 being the

first item. Select the step number from the drop down next to each item. Items to order: 1. Blastula 2. Fetus 3. Zygote 4. Gastrula Blastula Fetus Zygote Gastrula
Biology
1 answer:
nikklg [1K]3 years ago
7 0

<u>ANSWER:</u>

The correct order is-  Zygote, Blastula, Gastrula, Fetus.

<u>EXPLANATION:</u>

  • The embryo develops from the zygote which is formed when the gametes fuse in the process of "fertilization".
  • The zygote undergoes cell division to form blastula which is a "ball of cells".
  • Gastrula leads to the rearrangement of cells of the blastula into three layers that differentiate into different systems of organ.
  • The last stage is the fetus which then develops into a baby.
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