Only autotrophs can convert solar energy into chemical energy
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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Answer:
24 hours
Explanation:
Role of air temperature: Plant respiration occurs 24 hours per day, but night respiration is more evident since the photosynthesis process ceases.
Answer:
Pillars in an abandoned mine
Explanation: