60 point Three species of lizards of the genus Gallotia are found on the Canary
Islands, a chain of seven volcanic islands off the west coast of Africa. The
easternmost island, Lanzarote, is the oldest, while the westernmost
island, El Hierro, is the youngest. The distribution of lizard species is
shown on the map below. Which statement about the ancestry of the
lizards from the genus Gallotia is best supported by this information?
Distribution of Gallotia Lizard Species
on the Canary Islands
Lanzarote
La Palma
Fuerteventura
La Gomera
Tenerife
Gran
Canaria
El Hierro
Spain
KEY
Atlantic Ocean
100 km
Gallotia galloti
Atlas
Mountains
N
Gallotia stehlini
Canary
Archipelago
Africa
w
South
Atlas Faut
E
Gallotia atlantica
Africa
The common ancestor of the lizards first colonized the island of El Hierro.
The ancestors of each species came from different continents at different times.
The common ancestor of the lizards probably came from Africa
The ancestors of each species evolved in Spain and were brought to the islands at the
same time
I