Reproductive Systems in Animals
Biology ⇒ Reproduction and Development
Reproductive Systems in Animals starts at 8 and continues till grade 12.
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Describe the function of the epididymis in the male reproductive system.
Describe the main differences between oviparous, viviparous, and ovoviviparous animals.
Describe the role of hormones in regulating the menstrual cycle.
Explain the difference between sexual and asexual reproduction in animals.
Explain the role of the placenta in mammalian reproduction.
Explain the significance of genetic variation in sexually reproducing animals.
Explain why external fertilization is less common in terrestrial animals.
Name two animals that reproduce by external fertilization.
Which hormone is primarily responsible for the development of secondary sexual characteristics in males?
(1) Estrogen
(2) Progesterone
(3) Testosterone
(4) Luteinizing hormone
Which hormone triggers ovulation in female mammals?
(1) Follicle-stimulating hormone (FSH)
(2) Luteinizing hormone (LH)
(3) Estrogen
(4) Progesterone
Which of the following animals exhibits internal fertilization?
(1) Frog
(2) Salmon
(3) Dog
(4) Sea urchin
Which of the following animals is an example of a hermaphrodite?
(1) Earthworm
(2) Dog
(3) Cat
(4) Elephant
The fusion of male and female gametes results in the formation of a __________.
The hormone responsible for maintaining pregnancy in mammals is __________.
The process by which a new individual develops from an unfertilized egg is called __________.
The process by which sperm and egg fuse to form a zygote is called __________.
True or False: All animals with internal fertilization are viviparous.
True or False: External fertilization is more common in aquatic animals than in terrestrial animals.
True or False: In birds, fertilization is internal but development is external.
True or False: In most mammals, fertilization occurs in the uterus.
