1. Carrots, rabbit, snake, eagle
2. Sun, berries, bear
3. Grass, snail, bird, fox
Answer:
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.
Mitochondria produce d. ATP and sugars
Hope that helps!
He did not take in to account for wind currents and the fact that CO2 or the carbon stays in the air
Typhoid fever is most common in non-industrialized countries. Travelers to Asia, Africa, Eastern Europe, and Latin America are especially at risk. Salmonella typhi bacteria are shed in the urine or stool of infected persons, including chronic carriers. There are no known animal reservoirs for typhoid fever.
