In prophase 1:
Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.
In metaphase 1:
The pairs of chromosomes (bivalents) become arranged on the metaphase plate and are attached to the now fully formed meiotic spindle. The centrioles are at opposite poles of the cell.
The answer would be an Ecologist
False. hunger and poverty are alive and well in the usa.
A parasite invades the species and causes its population to decline because a biotic factor is a living factor that affects a species