Top 10 Species that Would Become Dominant on Earth If Humans Died Out

The Top Ten
1 Aliens
2 Apes
3 Rats Rats are various medium-sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus.
4 Mosquitoes Spanish for "small fly," mosquitoes are insects that have been known to cause various diseases. A sample of diseases caused by mosquitoes: malaria, yellow fever, Chikungunya, West Nile virus, dengue fever, filariasis, Zika virus.
5 Mammoths

I know they are extinct but since there is already a cloning machine, this could happen

6 Dolphins A dolphin is an aquatic mammal within the infraorder Cetacea. Dolphin species belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and the extinct Lipotidae (baiji or Chinese ...read more.
7 Bees
8 Orca The Orca, or Killer Whale (Orcinus orca), is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is recognizable by its black-and-white patterned body. Orcas are a cosmopolitan species and can be found in all of the world's oceans, in a variety of marine environments, from Arctic and Antarctic regions to tropical seas... read more
9 Zombies
10 Snakes Snakes are elongated, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears.