How matter and energy are typically transferred throughout an ecosystem light energy
nonliving matter
heat energy
living matter
5
Ecosystem

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

i believe the answer is snake.