6. How does Widder tell the difference between the species she observes in the deep ocean? Give an example of a species she identifies based on this observation.

The word specie is used in biology to refer to a group of organisms that can reproduce consistently as they share the same taxonomy.

How can Widder identify different species?

Identifying species is possible through multiple techniques that include:

Analyzing the genes of the organism.
Identifying species based on observation.

In the case of observation, which is a common technique. The best is to observe the physical characteristics of the organism that can make it different from other species. This includes observing:

Shape
Color
Size
Behavior
Among others.

Note: This question is incomplete because there is no information about the species Widder is observing. Due to this, I answered it based on general knowledge.

Learn more about species in: https://brainly.com/question/13259455