Answer:
1) mutations 2) sickle cell anemia. Hope this helps you :)
Explanation:
Answer:
Ecosystems are closed systems
Explanation:
This answer (Ecosystems are closed systems) is false because ecosystems are open systems by nature.
Let's say you have a person with Aa and a person with Aa
A.) Cells split into two new cells with the identical genetic makeup.
The new cells replace the old ones.