Phytoplankton have many adaptations that allow them to float. which is not one of these adaptations?
phytoplankton can reduce its surface area
phytoplankton have stores of oil and fat
phytoplankton have spines
phytoplankton cells have large cavity in the center

An easy way to calculate the amount of energy available at each level is to what?

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.

When plants use sunlight to make food, the energy of sunlight is