7. Which of the following are life bearing animals?
A coniferous
B. marsupials
C. oviparous
D. viviparous
8. Kangaroos and koala bears are example of what type of animal?
A coniferous
B. marsupials
C. oviparous
D. viviparous
9. Which of the following statements is TRUE?
A. All fish are oviparous.
B. All mammals are viviparous.
C. Oviparous animals undergo external development.
D. In internal development, the fertilization happens inside the ovaries.
10. Which statement is FALSE about sexual reproduction?
A. It involves two specialized cells.
B. The offspring is exactly identical with the parent.
C. Genetic variation is an advantage of sexual reproduction.
D. None of the above.​