pigments are responsible for that if that doesn't help you. you can go to yahoo answers and search your question
Answer: Autotrophs
Explanation: Autotrophs are organisms that often produce their own food by using sunlight, carbon dioxide, and water to form sugars which they can use for energy.
Answer:
Humoral immunity refers to the component of the adaptive immune response that is caused by B cells, antibodies, and type 2 helper T cells (Th2), as well as circulating mast cells and eosinophils to a lesser extent.
4-2 years that is how long they can live