I think it is a petrified fossil but you didn't give any choices
Animal cells don't have chloroplasts, the food-making structure found in plant cells.
Fibrin is involved in shrinking clots which is also apart of "hemostasis" and wound healing. It has the ability to protect tumors from cells immune to cancers.
Meiosis is the production of sexual gametes like sperm and egg. It is only necessary for sexual reproduction but not growth.
Answer:
A
Explanation:
Enzymes are substances that have important jobs in your body, For example they help speed up the reaction of when your eating, those enzymes help break up the food and make the process faster.