i need help, i know the primary producer is phytoplankton but i need to know who's the first level consumer, second level consumer, and third level consumer

materials water oxygen those are the things i can think of in this moment.

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.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.