An interaction in which one organism kills and eats another is called predation.
Answer:
it becomes a positive ion
Explanation:
that is because when it loses an electron, then it has one more proton in comparison with the total number of electrons making it a positive ion
Answer:
1. dna needs to be replicated before mitosis so that the parent cell has the same amount of genetic material as the parent cell once it has split.
2. helicase is an enzyme that is so dna can unwind.
Explanation:
the explanation is in the answer.
I hope this helps!