Answer:
Step-by-step explanation:
a. active transport is against the concentration gradient and uses atp. facilitated diffusion is with the concentration gradient and doesn't use atp
b. endocytosis is substances being engulfed in the cell membrane, exocytosis is substances being released from the cell membrane
c. diffusion is the movement of particles through the membrane and osmosis is specifically the movement of water
d. hypertonic means more solute, hypotonic means less solute.