Answer:
I think it's A male: stamen; female: pistil
Temperate Diciduous forest Biome
I attached the image related to your concerned question.
In theory, the part of the brain that is responsible for the sleep wake cycle is the hypothalamus; specifically, the ventrolateral preoptic nucleus of the hypothalamus. In the image, the location of the hypothalamus is pointed by the green square.
Lysosomes looks like a little particles of circle layer covering, placed within the cell's sac.