Final answer:
Estrogen is the hormone responsible for the rise in body temperature during ovulation as it helps with endometrial regrowth, ovulation, and calcium absorption in females, and also plays a role in the development of secondary sexual characteristics.
Step-by-step explanation:
The hormone responsible for the rise in body temperature during ovulation is estrogen. During ovulation, the levels of follicle-stimulating hormone (FSH), luteinizing hormone (LH), and estrogen increase. Estrogen is released from the developing follicles and helps with endometrial regrowth, ovulation, and calcium absorption in females. It is also responsible for the secondary sexual characteristics of females, such as breast development and flaring of the hips.