The picture below shoes the limbs of four different species. The four species illustrated most likely have similar limb structures because they all
adapted to the same environmental conditions
Ě S OOOO
use their limbs for the same function
occupy the same level of the food pyramid
share a common ancestor
Animals that evolved from a common ancestor will always share similar structures. This can be seen when comparing the hand and arm structures of humans, dogs, and chimps.
