I believe it is the third one.
Answer:
The jellyfish polyp will be a diverse combination of the parent jellyfish genetic material.
Explanation:
If jellyfish reproduced asexually (only one parent) it would be identical to that one parent, but both the sperm and egg from two separate jellyfish unite making it sexual and the parents each give 50% of the genes. There is no way that you can have twice as much genetic material as your parents. Even when there is some extra genetic material, causing a mutation, it is never twice as much genetic material.
Plural possessive is the answer
Answer:
C. In the ancient world, Rome was the center of a powerful empire.
However, it gradually lost its strength, and in 410 CE it was
invaded and practically destroyed. What factors contributed to
Rome's downfall? Why did it find itself unable to defend its own
walls?
Explanation:
The first question asks what the cause of Rome's downfall was. In the second sentence the effect is Rome was invaded and destroyed.
True. W stands for what you WANT to know. So you would brainstorm all of the things you want to know into that section.