Reproductive Strategies in Vertebrates (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is created when male and female gametes join together during fertilisation?
What is created when male and female gametes join together during fertilisation?
A zygote
Where does external fertilisation typically take place?
Where does external fertilisation typically take place?
In an aquatic environment
Why is water required for external fertilisation?
Why is water required for external fertilisation?
As a medium for sperm to swim to eggs
How many gametes do animals using external fertilisation typically produce?
How many gametes do animals using external fertilisation typically produce?
Massive quantities
Which vertebrate groups mainly rely on external fertilisation?
Which vertebrate groups mainly rely on external fertilisation?
Fish and amphibians
Where does internal fertilisation occur?
Where does internal fertilisation occur?
Inside the female's body
Which vertebrates mainly use internal fertilisation?
Which vertebrates mainly use internal fertilisation?
Reptiles, birds, and mammals
How do mortality rates compare between external and internal fertilisation?
How do mortality rates compare between external and internal fertilisation?
External has high, internal has low
What are precocial young?
What are precocial young?
Well-developed at birth/hatching
What does the yolk sac provide for developing embryos?
What does the yolk sac provide for developing embryos?
Essential food reserves