What characteristics are used to distinguish between the organisms in different kingdoms

Explanation:

The six Kingdoms are: Archaebacteria, Eubacteria, Fungi, Protista, Plants and Animals. -Organisms are placed into these categories based on similarities or common characteristics. Some of the characteristics that are used to determine placement are cell type, nutrient acquisition, and reproduction.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.