What word is used to describe differences between organisms?

The word used to describe differences between organisms is variation.

Here are some other terms that are related to variation:

* Diversity: This refers to the wide range of different organisms in a population or ecosystem.

* Differences: This is a general term that can be used to describe any kind of difference between organisms.

* Traits: These are specific characteristics of an organism, such as its height, color, or behavior.

* Phenotype: This refers to the observable characteristics of an organism, which are a result of its genotype (genetic makeup) and its environment.

Let me know if you'd like more information on any of these terms!