the two main skeletal systems to support the tissue of the body is bone and cartilage
hopefully this will help
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.
Glucose + ATP -----> glucose~P + ADP
