It is the circulatory system and respiratory system.
This fish is called a jawless fish because it doesnt have any scales
Sexual reproduction would help the most because the offspring are genetically varied more than other types of reproduction and are more likely to adapt and survive.
Answer:
1. I can't tell exactly, diagram isn't clear. But it cannot be 'glycolysis' or 'dark reactions'. 2. B 3. A 4. B
Explanation:
Food is broken down into glucose and then into ATP during cellular respiration. Cells use ATP for energy.