The traits that separate or cause a dichotomy between creatures with vertebrae and those without are significant and marked. These two groups have different characteristics and needs, and the dichotomy or division between them has been studied by scientists who follow evolutionary adaptations. Many interesting species fall under the invertebrate category of this split or dichotomy, of which the oyster is a favorite of mine.
Quiz: What is a dichotomy?
- A distinct difference between two opposing things.
- A difference between groups of animal species.
- A practice of studying evolutionary science.