Sexual Reproduction in Animals
Biology ⇒ Reproduction and Development
Sexual Reproduction in Animals starts at 7 and continues till grade 12.
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See sample questions for grade 8
Describe the difference between a zygote and an embryo.
Describe the process of fertilization in animals.
Describe the role of gametes in sexual reproduction.
Describe the role of the ovary in female animals.
Explain the main difference between internal and external fertilization.
Explain why external fertilization is common in aquatic animals.
Explain why fertilization is necessary for sexual reproduction.
Explain why genetic variation is important in sexually reproducing animals.
Which of the following animals gives birth to live young?
(1) Frog
(2) Fish
(3) Cow
(4) Turtle
Which of the following animals is oviparous?
(1) Cat
(2) Whale
(3) Hen
(4) Dog
Which of the following animals reproduces sexually?
(1) Amoeba
(2) Hydra
(3) Frog
(4) Bacteria
Which of the following is a benefit of internal fertilization?
(1) Higher chance of gamete survival
(2) Less parental care required
(3) Offspring are always identical
(4) Occurs only in water
Fill in the blank: Animals that lay eggs are called ________ animals.
Fill in the blank: The female gamete in animals is called an ________.
Fill in the blank: The fusion of male and female gametes forms a single cell called a ________.
Fill in the blank: The process by which the embryo attaches to the wall of the uterus is called ________.
True or False: All birds are oviparous.
True or False: All mammals have internal fertilization.
True or False: Fertilization is the process where male and female gametes fuse to form a zygote.
True or False: In most mammals, fertilization is internal.
