5. Which of the following best explains what would happen if there were no primary consumers in an ecosystem?
A. The population of producers would decrease, while less energy would be transferred from
autotrophs to heterotrophs.
B. The population of producers would increase, while less energy would be transferred from
autotrophs to heterotrophs.
C. The population of producers would increase, while more energy would be transferred
from the secondary consumers to the autotrophs

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Asea turtle has washed up on a remote section of a beach. this known as a stranding occurs when a dead,sick or injured sea turtle washed up on the shoreline. which statment best explain why stranding should be reported immediately to local authorities

What organ is the first to receive nutrients that have been absorbed from the digestive tract?