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 the main differences between internal and external fertilization in animals.
Describe the role of the placenta in mammalian reproduction.
Explain the significance of genetic recombination during sexual reproduction.
Explain the term 'hermaphroditism' in animals.
Explain why external fertilization is less common in terrestrial animals.
Explain why sexual reproduction leads to greater genetic variation than asexual reproduction.
In a certain animal species, individuals can change sex from male to female during their lifetime. What is this phenomenon called?
In a certain species of fish, both male and female gametes are released into the water where fertilization occurs. What type of fertilization is this?
In animals, meiosis is essential for sexual reproduction because it __________.
Name the process by which sperm and egg cells are produced in animals.
Name two advantages of sexual reproduction in animals.
What is the main advantage of internal fertilization over external fertilization?
