The type of car

The height of the ramp

The length of the ramp

The mass of the car

The forearms of the birds and bats are similar in structure, so this feature came from a common ancestor. The wings of birds and bats are not similar in structure so this feature did not come from a common ancestor.

The forearm of the birds and bats are similar in structure, so this feature did not come from a common ancestor. The wings of the birds and bats are not similar in structure so this feature came from a common ancestor.

The forearms of the birds and bats are similar in function, so this feature came from a common ancestor. The wings of the birds and bats are not similar so this feature did not come from a common ancestor.

The forearms of the birds and bats are not similar in function, so this feature did not come from a common ancestor. The wings of the birds and bats are similar so this feature did not come from a common ancestor.

Bats and birds are two closely related animals

Bird ancestors had four limbs and bat ancestors had two limbs

Bats and birds are both relted to frogs and other amphibians

Bat ancestors are more closely related to humans than to birds

Bat and birds developed wings and flight seperately from each other.