Ad/disadvantages of internal fertilisation Flashcards
1
Q
What is the success rate like?
A
High as sperm an egg closer together
2
Q
What is the food and oxygen like for embryo?
A
Good as it’s supplied by mother during development
3
Q
Is there parental care?
A
Yes, young supplied with milk and protected by parents after birth.
This = higher survival rate
4
Q
What does internal fertilisation require more of?
A
Complex reproductive system
