D. Low side pressure is high and high side pressure is low
Answer: D
Explanation:
Many unicellular organisms live in bodies of water and must move around to find food. Most often, they must obtain nutrients by eating other organisms. Plant-like protists, and some types of bacteria, can make their own food through photosynthesis.
Answer:
because it has both endocrine and exocrine functions .
Explanation:
the first one and the last one is transverse
The Nucleolus helps function the cell.
