Cancers are not newly evolved species. Cancers arise from cells in the body that have acquired genetic changes that cause them to grow and divide in an uncontrolled manner. These genetic changes can be inherited or they can occur spontaneously during a person's lifetime.

Cancers are not considered to be new species because they do not meet the criteria for species classification. Species are defined as groups of organisms that can interbreed and produce fertile offspring. Cancers are not able to interbreed with other species, and they cannot produce fertile offspring.

Additionally, cancers are not able to survive independently of the host organism. They require the host organism's resources in order to grow and divide. This is in contrast to other species, which are able to survive independently in the environment.

Therefore, cancers are not newly evolved species. They are considered to be diseases that arise from genetic changes in cells within the body.