Strain (biology)

Strain in biology refers to a group of organisms that have some similarities and differences from other groups of the same species. Think of it like different types of dogs - a Chihuahua and a Great Dane are both dogs, but they are different strains within the larger category of "dogs."

Each strain has its own unique characteristics, such as different physical features or behaviors, which can affect their ability to survive and thrive in different environments. Some strains may be more resistant to certain diseases or able to digest different types of food, for example.

Scientists use the term "strain" to help categorize and study these differences within a single species. By understanding the traits of different strains, we can learn more about how organisms evolve and adapt to their environments.