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:
Body systems are used throughout your body to help you move and to live like the heart for example.
Answer:
A. Rivers
Explanation:
because most of the water comes from two big rivers
