Answer:
B. they have many similar steps
Explanation:
The earth orbits the sun. Due to this fact, the northern and the southern hemisphere are tipped toward the sun at different times. Different climate zones fall under the southern and the northern hemisphere. There are many factors which affect the climate of a place and the most important one out of these factors is LATITUDE. Latitude refers to how far or close an area is to the north or the south of the equator. The latitude of a place determines the length and the intensity of sunlight that that place will experience. Thus, a place that is closer to the equator will continuously receive a lot of direct sunlight and such a place will have a warm climate.
Answer:
A. Menstruation and the estrogen surge
Explanation:
The events that occur simultaneously in the monthly female reproductive cycle are menstruation and estrogen increase.
The menstrual cycle lasts about 28 days and is controlled by the secretion of gonadotropins (FSH and LH), secreted by the pituitary, and estrogen and progesterone, produced by the ovaries. The first day of the cycle corresponds to the first day of menstruation. During menstruation, levels of sex hormones in the blood are low. By the sixth day, the pituitary again secretes a greater amount of follicle stimulating hormone (FSH).
Therefore, in this first phase of menstruation, the pituitary secretes the hormone FSH, which, as the name implies, will stimulate the development of ovarian follicles. In turn, the follicles produce estrogen, which stimulates the growth of cells in the uterine inner wall, the endometrium, which becomes thicker and well-vascularized. These are changes that prepare the uterus for the implantation of an embryo, ie a pregnancy.
The high concentration of estrogen in the blood stimulates the secretion of luteinizing hormone (LH). LH induces ovulation, which occurs around the 14th day of the cycle. Next, the LH induces the rupture of the ovarian follicle and the consequent release of the egg, besides leading to the development of the corpus luteum. The corpus luteum produces progesterone, which will assist in maintaining the endometrium until the end of the menstrual cycle.
Answer:
B: The Grasshopper population will decrease
Explanation:
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