un organismo que deriva sus requerimientos nutricionales de sustancias orgánicas complejas.
From top to bottom of the list:
1) Mouth 2) Liver (produces bile, which helps in chemical breakdown of fat) 3) Small Intenstine 4) Stomach 5) Large Intestine 6) Pancreas
Answer:
Because most living things need sunlight
Explanation:
only few creatures can live without it
Answer:
Pelagic
Explanation:
The deepest regions of the sea are Hado pelagic