Deserts have a varied species of animals that have adapted to the harsh climate of the desert.
(Deserts; have; a varied species of animals that have adapted to the harsh climate of the desert) (a varied species of animals; have adapted; to the harsh climate of the desert)
Deserts a varied species of animals
have have adapted
a varied species of animals that have adapted to the harsh climate of the desert
to the harsh climate of the desert