Sexual Reproduction in Animals
Biology ⇒ Reproduction and Development
Sexual Reproduction in Animals starts at 7 and continues till grade 12.
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Describe one way in which sexual reproduction contributes to evolution.
Describe the main difference between internal and external fertilization in animals.
Describe the role of the male gamete in sexual reproduction.
Describe the role of the placenta in mammals.
Explain the difference between oviparous and viviparous animals.
Explain why fertilization is necessary for sexual reproduction in animals.
Explain why genetic variation is higher in sexually reproducing animals compared to asexually reproducing animals.
Explain why parental care is more common in animals with internal fertilization.
Which of the following animals is hermaphroditic?
(1) Earthworm
(2) Dog
(3) Cow
(4) Cat
Which of the following animals is viviparous?
(1) Hen
(2) Frog
(3) Cow
(4) Fish
Which of the following animals uses external fertilization?
(1) Dog
(2) Frog
(3) Cow
(4) Cat
Which of the following best describes the function of the uterus in mammals?
(1) Produces eggs
(2) Site of fertilization
(3) Site of embryo development
(4) Produces sperm
Fill in the blank: Animals that give birth to live young are called ________.
Fill in the blank: The female gamete in animals is called ________.
Fill in the blank: The fusion of gametes from two different individuals is called ________ fertilization.
Fill in the blank: The process by which gametes are formed is called ________.
True or False: All mammals are viviparous.
True or False: Fertilization in animals always occurs inside the female body.
True or False: In most mammals, fertilization is internal.
True or False: In oviparous animals, the young ones develop inside the mother’s body.
