Four features help define the __________: a notochord, a dorsal hollow nerve cord, a pharynx with gill slits, and a tail

extending past the anus. Fill in the blank(s) with the appropriate word(s).


ANSWER: chordates

Biology & Microbiology

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An absorption spectrum is a graph that shows ________

a. absorption of different wavelengths of light by a pigment b. photosynthetic activity at various wavelengths of light c. wavelengths of visible light only d. wavelengths of various forms of radiation

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The extinction of the dinosaurs occurred rapidly as a result of a single cataclysmic event

Indicate whether the statement is true or false.

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Some species of racerunner lizards are all female and reproduce asexually. Which strategy would they use for reproduction?

1.binary fission 2.hermaphroditism 3.parthenogenesis 4.budding

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Hematopoiesis is the

A. migration of white blood cells from the blood out to the tissues. B. plugging of broken vessels to stop bleeding. C. production of white blood cells, red blood cells, and platelets. D. loss of blood due to hemorrhaging. E. production of only red blood cells.

Biology & Microbiology