Use the phylogeny below to answer the following questions: Are bears more closely related to dogs or cats? How do you know?
What characteristic(s) is/are shared by both seals and sea lions

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.

answer australia and antarctica;