Anatomical features that give a bird the ability to fly:

(a) Hollow bones
(b) Air sacs within the wings and body
(c) Sternum (keel bone)
(d) Fused ribs for stability
(e) Strong pectoral muscles attached to the wings
(f) Feathers

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The connections between the large bones of the skull are categorized as which type of joint?

a. amphiarthrosis b. coxarthrosis c. diarthrosis d. synarthrosis

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A bottle of medication contains 800 milligrams of medicine. The doctor prescribed a dose of 25% of the medicine. How many milligrams are in a dose?

A. 3,200 milligrams B. 200 milligrams C. 800 milligrams D. 0.25 milligrams

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