Answer:
1.It produces silk which is a high quality fibre
2.to destroy the gelatinious substance inside cocoon so as to obtain silk thread
3.To avoid it from hatching
4.they carry pollen grains while roaming plant to plant and help in cross pollination
B. defiantly b. because it can survive in most climates.
Explanation:
When i get examination i get nervous
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.
Please mark brainliest :)
It’ll gain water by osmosis, the water will diffuse from a higher water concentration from outside the cell to a lower water concentration from inside the cell
