These organisms are simple can perform all functions needed for life in one cell.
What are unicellular organisms?
The main pathway for messages between the brain and the rest of the body.
What is the spinal cord?
Two body systems that are responsible for breaking down food and supplying nutrients to the blood.
What are the digestive and circulatory systems?
These organisms are complex with specialized cells
What are multicellular organisms.
This system protects the body.
What is skeletal system.
This is the control center for the nervous system.
What is the brain?
This system works with the respiratory system to remove waste produced by cells.
What is the respiratory system?
This type of organism has transport systems.
What are multicellular organisms?
The 3 main structures of the digestive system.
What is the esophagus, stomach, and intestines?
These organisms grow, reproduce and get rid of waste.
What are unicellular and multicellular organisms?