Answer:
the hermit crab has a commensalism symbiotic relationship with sea snails – the hermit crabs uses discarded sea shells to live in, and this relationship does not affect the other organism (the snail).
Explanation:
These are the ones i was taught
1. molecule transport
2. signal receptors
3. intercellular junctions
4. cell to cell communication and recognition
5. gives the cell structure
6. protects the cell
7. acts as enzymes
Answer:
Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body.
Explanation:
B organ system contains organs, tissues and cells