Key Terminology (Grade 12 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do reproductive strategies help animals improve?
What do reproductive strategies help animals improve?
Fertilisation success & offspring survival
What does external fertilisation typically require as a medium?
What does external fertilisation typically require as a medium?
Water
Where does internal fertilisation occur?
Where does internal fertilisation occur?
Inside the female's body
Which term describes animals that lay eggs with embryos developing outside the mother's body?
Which term describes animals that lay eggs with embryos developing outside the mother's body?
Ovipary
In ovovivipary, where do developing young get their nutrients from?
In ovovivipary, where do developing young get their nutrients from?
The yolk
How do embryos receive nourishment in vivipary?
How do embryos receive nourishment in vivipary?
Through a placenta connection
What does the amnion do for the developing embryo?
What does the amnion do for the developing embryo?
Creates cushioning fluid-filled sac
What two main functions does the allantois serve?
What two main functions does the allantois serve?
Waste collection & gas exchange
What does the chorion develop into in mammals?
What does the chorion develop into in mammals?
Part of the placenta
Which characteristic describes precocial young?
Which characteristic describes precocial young?
Well-developed & can move/feed immediately