When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity?

Explain the significance of the increased cell specialization of the volvocine line

What is a group of organisms that are closely related and share similar characteristics

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis