The hormone produced by the placenta that stimulates the ovaries to continue producing estrogen and progesterone is called the follicle stimulating hormone. This hormone stimulates the ovarian follicle allowing the egg to grow thus producing continuous supply of estrogen and progesterone.
Answer:
vertical stratification of plants
Explanation:
vertical stratification is best explained as the vertical layering arrangements of vegetation in the rain forest habitat.
The vertical arrangement of trees is so significant to so many species in the forest because they are dependent on different vegetative layers. Each layer offers a distinct purpose to the habitat.
Answer:
A
Explanation:
Tilling agitates the topsoil and removes ‘unnecessary’ vegetation so the main crop can grow without competition. Tilling improves soil aeration and drainage for plants to grow well. Nonetheless, it can lead to other consequences such as soil erosion because it loosens the soil and makes it easy to be carried away by wind and water.