Answer:Higher levels of organization are built from lower levels. Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organisms.
Explanation:
D) It can only be used in areas with specific kinds of rivers.
Whatever floats by. sessile animals are stuck in place, and can't move. They're usually aquatic animals. Hope this helps! :)
Plants leafs increasing carbon dioxide. it's remove dust air pollution
The answer is false there were only types the saurischians and the ornithischians.