A particular mountain stream is home to a population of salamanders that are red in color. In the past year, a second population of salamanders that are dark blue in color moved into the same stream. Scientists researching the stream have recently discovered young salamanders that are red with dark blue patches on their bodies.
What can the scientists conclude from this evidence?
The Salamanders are suffering from a bacterial disease
The salamanders are on the verge of becoming extinct
The Salamanders undergo sexual reproduction
The Salamanders undergo sexual reproduction