Frog is
A. Reflex ovulator
B. Spontaneous ovulator
C. Non-ovulator
D. None of the above

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Hint:Ovulation is produced from the ovarian follicle ovarian on the ovary surface of the female germ cell. Ovulation processes differ from one animal to another. It is cyclical and random, reflective, or inductive.

Complete answer:Spontaneous ovulation is an ovulatory process in which the ovarian follicles disappear into the middle eminence. Spontaneous ovulation is a menstrual cycle and at a given time of the cycle release ovarian steroids in the median eminence (the region which connects the hypothalamus to the prior pituitary gland) to cause per-ovulatory LH (luteinizing hormones) surge, such as a ratchet, rodents, sheep, and human beings, they are pregnant.
Induced or reflex ovulation is the mechanism by which certain components of coitus or mating or some form of genital stimulation cause preovulatory LH surge and thus ovulation. Ovulation is caused by seminal fluid plasma in some situations, such as cats, rabbits, ferrets, etc.
Frogs reproduce by external fertilization. The female frog ovulates in the water and releases its gametes. The sperm released from the male frog fertilizes to form a zygote which transforms into a well-developed egg. Thus, choice B is the right answer.

Hence, the correct answer is option B- Spontaneous ovulator.

Note: Frogs are amphibians that live on water and ground. The life cycle of frogs includes the development of tadpoles which, during this time, look similar to fish and live entirely in water and later grow legs and adapt to the soil. -Sex determination is affected by environmental variables in frogs. The temperature around the egg decides the progeny's sex. Pulmonary respiration is often referred to as the lung respiration used by frogs when living on the ground where they are more physically active for the need for movement, swimming, hunting, and jumping, and more oxygen is needed.