Respuesta :
The two membranes pull apart a little and create a small pocket or sack of air. As the developing bird grows, it breathes in oxygen from the air sack and exhales carbon dioxide. Several thousand microscopic pores all over the surface of the egg allow the CO2 to escape and fresh air to get in.
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Carbon dioxide and oxygen travel within the seed and egg to break the energy or food inside the seed or egg. It comprises schematic steps which are responsible for these functions.
What do you mean by Seed?
Seed may be defined as the unit of reproduction of a flowering plant, capable of developing into another such plant.
The oxygen enters the seed and gets absorbed by the seed coat. It makes the seed coat wet and soft due to oxygen absorption. This oxygen now combines with energy that is stored inside the seed. The level of carbon dioxide increases when the process of photosynthesis will be initiated.
Therefore, carbon dioxide and oxygen travel within the seed and egg to break the energy or food inside the seed or egg.
To learn more about Carbon dioxide in plants, refer to the link:
https://brainly.com/question/14445045