Answer:
There are five levels: cells, tissue, organs, organ systems, and organisms.
Explanation:
I believe this is what you're looking for. Hope it helps.
Answer: birds and the bees/cartoon
Explanation:if they are 13 an up tell them about the birds and the bees but if they younger than that show them a cartoon
By recording the explosions, they can quickly figure out what happened if a bombing incident occurred.By recording everything that happened during and after the explosion, they can find evidence and solve a case quicker.