Answer:
it needs somewhere comforatible
Explanation:
When they circle around they need to get that space soft and then they will lay down
Where are the "following structures"?
Answer: The gene that controls the production of white blood cells will be widely expressed
Explanation: White blood cells fight off viruses so when a virus is detected the genes for white blood cells will be activated.
Answer:
Scientists repeats the steps in cycle mode and in order to be sure about the results he/she chosen.
