D should be the answer as they are no longer able to perform sexual reproduction without the other fish. Therefore, they would die off because they have lost the partner needed to reproduce.
Hope this helps!
The most specific would be felis catus. That is the name of the species in biology, and there are no more taxonomic divides after species.
Yes, elk are herbivores because they eat things such as grass and shrubs but not meat.
Chromosomes carry genetic information of the organism
Genes transfer genetic information from parent to offspring
arisen by mutation, and found alongside chromosomes