4. Which cell aids in sexual reproduction?

A. Nerve cell
B. muscle cell
C. Skin cell
D. Egg cell

5. Which organism reproduces sexually?

A. Hydra
B. Bacteria
C. Flowering plant
D. Starfish

6. Which is not a type of asexual reproduction?

A. Regeneration
B. Binary Fission
C. Fertilization
D. Fragmentation

7. Which animal reproduces by external fertilization?

A. Frog
B. Bird
C.dog
D. Lizard

8. It is not an egg laying animal.

A. python
B. salamander
c. whale
D.shark

9. Write two animals that reproduce through binary fission.
1.______________
2.______________​