Answer:
A digestive system uses enzymes to break down your food. The walls of the intestines absorb nutrients and vitamins, while the unused food gets processed to be removed from your body (Feces).
Explanation:
<span>no because organisms such as humans are omnivores they can eat both meat and plants and may act as 1st,2nd or 3rd level heterotroph.</span>
All types of Active transport require ATP:
-Active transport
-Endocytosis
-Exocytosis
Stem cell research has many potential future uses. Communication is vital because:
1) Through worldwide collaboration, progress is faster
2) Ethical issues may impede progress if not carefully considered
