Vucueil and Plast (including chloroplasts) and cell wall.
The time of year an season. <span>Many bird populations migrate long distances to other locations during certain times of the year. The most common
pattern involves flying North in the Spring to breed in the temperate
or Arctic summer and returning in the Autumn to wintering grounds in
warmer regions to the south.
- I hope this help's! (:
</span>
What system are we talking about? Context is needed... water cycle, cells, etc?
Answer:
A - “Fertilization requires two Haploid cells.
Explanation:
“Fertilization requires a haploid sperm and a haploid egg”.