The Famous Fossil Bird from the Jurassic Period That Proves

question 13

Short Answer

The famous fossil bird from the Jurassic period that proves the reptilian ancestry of birds is ____________,a name that means "ancient wing."

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Definitions:

Thermoreceptor

A sensory receptor that is sensitive to changes in temperature, found in the skin and hypothalamus.

Lamellated Corpuscle

A type of sensory receptor found in the skin and mucous membranes that detects pressure and vibration.

20/100 Vision

A measure of visual acuity that indicates a person sees at 20 feet what a person with normal vision can see at 100 feet.

Feet

The lower extremity of the leg below the ankle, on which a person stands or walks.