Of the following anatomical structures, which is homologous to the bones in the wing of a bird?
A) cartilage in the dorsal fin of a shark
B) bones in the hind limb of a kangaroo
C) chitinous struts in the wing of a butterfly
D) bony rays in the tail fin of a flying fish
E) bones in the flipper of a whale
Answer: E
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The process by which food is broken down and absorbed through the lining of the gastrointestinal tract
What will be an ideal response?
An electron microscope uses ________ lenses to focus beams of electrons onto a specimen.
Fill in the blank(s) with the appropriate word(s).
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