Answer:
"The roots of the plant do not make the food. Thus, the answer to this question is letter B. The roots hold the plant in place and through them the minerals and water from the soil. The roots is also involved in the vegetative reproduction and competitions with other plants."
The bacterial flora assists in the breakdown of foods that the stomach or small intestine missed and helps maintain digestion function The bacterial flora can synthesis vitamin k and b and is helpful barrier for immunity.
Answer:
15. C
16. C
17. B
18. ?
19.B
20.A
21.B
Hope this helps, sorry I didn't know 18.
The answer is C. Mollusks. Hope this helps. :)
