In selection, breeders select certain varieties of animals and plants to produce new varieties with specific desired characteristics.

In the process of selection, breeders choose specific varieties of animals and plants with the aim of producing new varieties that possess certain desired characteristics. This is often done to enhance certain traits such as size, yield, taste, color, resistance to diseases, and growth speed.

Here are the steps involved:

1. Identification of Parent Plants or Animals: The first step is to identify and select the parent plants or animals that have the desired traits. These traits could be anything from disease resistance in plants to milk production in cows.

2. Mating or Cross-Pollination: The selected plants or animals are then bred together. In plants, this could involve cross-pollination, where the pollen from the male flower is transferred to the female flower. In animals, this could involve natural mating or artificial insemination.

3. Selection of Offspring: Once the offspring are produced, breeders select those that have the desired traits. This process may need to be repeated over several generations to get the exact traits desired.

4. Reproduction of Selected Offspring: The selected offspring are then bred to produce more of the new variety. This could involve self-pollination in plants or mating between closely related animals.

5. Evaluation and Testing: The new variety is then tested to ensure it has the desired traits and that these traits are stable across generations. This could involve growing the plants in different conditions or testing the animals in different environments.

6. Commercialization: Once the new variety has been tested and proven to have the desired traits, it can be commercialized and sold to farmers or other breeders.

This process is known as selective breeding or artificial selection. It has been used for thousands of years to improve the characteristics of plants and animals for human use.