How much energy does it take a bee to fly for 10 seconds
B. are trying to use the same resources
The answer would be the cell wall or the cell membrane
Answer:
B. High temperatures
Explanation:
the canopy of the forest cover the rest of the forest, so it is cooler
Answer:
Adaptations of the alveoli:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.