11 What type of reproduction requires male and female sex cells to unite?
a sexual reproduction b external fertilization c. asexual reproduction d internal fertilization


12. Which is NOT TRUE about sexual reproduction in animals?
a. It has only one parent
b. The young animals resembles each other
c. It promotes differences
d. Animals may hatch from eggs or born alive


13 Which of the following is TRUE about the heat cycle in cats?
a Cats in the heat are moody towards people
b. Cats in heat make more noise, louder and more


14. Which of the following DOES NOT mate?
a lizard
b. starfish
c. pig
d. cat


15. What do you call the process formed after the union of a sperm cell and egg cell?
a. reproduction
b. zygote
c. fertilization
d. sexual reproduction​