Flashcards in Section 3: The Organization of Living Things Deck (12):
a group of similar cells that preform a common function.
a collection of tissues that carry out a specialized function of the body.
a group of organs that work together to preform body functions.
a living thing; anything that can carry out life processes independently.
the arrangement of parts in an organism.
the special, normal, or proper activity of an organ or part.
the movement of particles from regions of higher density to regions of lower density.
the diffusion of water through a semipermeable membrane.
the movement of substances across a cell membrane without the use of energy by the cell.
the movement of substances across the cell membrane that requires the cell to use energy.
the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.