Refer to the Figure Showing the Wing and Support Structures

question 3

Multiple Choice

Refer to the figure showing the wing and support structures (bones) of bat and bird wings. The similarities in the wings of bats and birds as adaptations for powered flight evolved through _______, which is a _______.

• A) convergent evolution; homoplasy
• B) convergent evolution; synapomorphy
• C) evolutionary reversal; homoplasy
• D) evolutionary reversal; synapomorphy
• E) ancestral inheritance; synapomorphy

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Definitions:

Torsos

The central part of the human body that extends from the neck to the lower abdomen, excluding the limbs and head.

Heads

The upper part of the human body or the front part of the body in animals; contains the face and brains.

Ulnar Grasp

A developmental stage in infants where they are able to grasp objects by closing their fingers and thumb against the palm.

Canalization

A concept in developmental biology and genetics referring to the ability of an organism to produce the same phenotype despite variations in genotype or environment.