Explanation:
your answer is zygote hope that helps I had to put that because it said I had to put in more words but your answer is zygote
Answer: In order to survive, ecosystems need five basic components: energy, mineral nutrients, water, oxygen, and living organisms.
Explanation: google
They can utilize nitrogen from the air and are photosynthetic.
The uterus. This is why women get periods every month, it also sheds the built up lining in case the egg did get fertilized.