Answer:
Multicellular organisms are made of more than one cell and are complex organisms.
They are visible to the naked eye.
They possess distinct organs and organ systems.
They are eukaryotes, i.e., they contain membrane-bound structures.
Their cells exhibit division of labor.
Their size increases with the number of cells in an organism
Explanation:
Answer:
a. concentration gradient
Explanation:
i did it in apex and got it right.

The digestion of protein begins at mouth and it continues at stomach and small intestine.
Hope it helps:)
Weather is the area's day-to-day conditions and climate is the area's average conditions. a natural phenomenon that maintains Earth's temperature range.
Answer:
oxygen
with release of carbon dioxide