If 1000 units of energy are available at the producer level of the energy pyramid, about how many units are available for first-level consumers? Second-level consumers? Third-level consumers?

List two modern organisms that have pentameral symmetry

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis