Across
- 4. this happens when the male animal releases sperm cells into the body of the female animal to fertilizae the egg cell
- 6. animals can only produce a new individual when two parents are present
- 8. reproduction occurs when a parent animal divides itself into two
- 9. reproduction happens when an outgrowth of the parent animal develops into a new animal.
- 10. the time between the laying of the egg and the hatching of the young
Down
- 1. fertilization occurs outside the bodies of the parents
- 2. a single parent organism simply makes identical copies of itself
- 3. fertilized egg
- 5. takes place when sperm cell unites with the egg cell
- 7. animals that lay eggs