| 1 | The giant Chinese river sturgeon breeds at Changshu, on theYangtze River. | |
| 2 | Most bacteria reproduce through binary fission. | |
| 3 | Animal reproduction requires a mating process between male and female. | |
| 4 | Some animals and plants reproduce offspring by splitting. | |
| 5 | A tree can reproduce many new seeds and grow new seedlings. |