It is called a sister chromatid, not a polar body.
Answer:
When one thing dies, or is taken away from the food web, then this could happen:
Let's say plants are taken away. Then, herbivores have nothing to eat, sot hey die. Then, carnivores have nothing to eat, and the same thing happens, etc.
Plants are the base of survival for every organism in nearly every ecosystem.
Answer: A surgical wound
Explanation:
A surgical wound is a cut or incision in the skin that is usually made by a scalpel during surgery. A surgical wound can also be the result of a drain placed during surgery. Surgical wounds vary greatly in size. They are usually closed with sutures, but are sometimes left open to heal.