The cell is called a zygote.
Hope that helped you.
I feel like you're answer is b ☺ hopefully
Answer: The air temperature decreases.
Explanation: As you go higher in altitude above the earth there are fewer molecules to absorb the radiation from the sun.
I hope you found this answer helpful.
C. Survive on its own.
I hope this helps, please Brainliest me, and have a fantastic day! :D