All animals have offspring, usually with two parents involved. People may prevent some animals from producing offspring.
The most closely related standard is at a higher level of sophistication.
| NSES Content Standard C
Life Science: Reproduction and heredity Grades 5-8, page 157 Reproduction is a characteristic of all living systems; because no individual organism lives forever, reproduction is essential to the continuation of every species. Some organisms reproduce asexually. Other organisms reproduce sexually. |