Answer:
are heterotrophs.
Explanation: This means they eat things outside of themselves instead of producing their own food.
Answer:
D. New allergens that people are not aware of may be introduced.
Explanation:
While increasing mineral contents or vitamins, people might have a strong allergy to a certain type of ingredient that the scientists added in to the food.
Answer:
They can grow because the fibers in cotton attract and hold water while allowing some free space for air to penetrate. ... With these, seeds can grow almost in any medium provided that they have just enough water and oxygen.
The cell wall protects a plant cell by giving it protection and support.
The cell wall is made of cellulose which is a specialized sugar that helps give the wall structure and support to protect the inner part of the cell.