What characteristic is essential for seeds classified as "hybrid"?

Seeds classified as "hybrid" are defined by the process through which they are produced. Specifically, hybrid seeds result from cross-pollination between two different parent plants, typically from the same species but not necessarily so. This cross-pollination combines traits from both parents, leading to offspring that exhibit specific desirable characteristics, such as increased yield, disease resistance, or enhanced growth qualities.

The process of hybridization allows for the intentional blending of genetic material to produce seeds with traits that are superior or distinct compared to either parent. While many hybrids may come from plants within the same family, hybrids do not require this; instead, they rely on the genetic diversity brought by different parent plants. Additionally, the classification of hybrid seeds does not dictate their cultivation practices, meaning they can be either organic or non-organic, which rules out the option regarding being always organic.

Therefore, the defining feature of hybrid seeds is their creation through the controlled cross-pollination of two distinct parent plants, making this characteristic vital to their classification.