The water strider shown in the figure above is able to stand on water because of the ____ of water
a. covalent bonds
b. surface tension
c. van der Waals forces
d. density
e. hydration layer
B
Biology & Microbiology
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Some bones have __________ that makes blood cells. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Which animal(s) are likely relying on their electromagnetic receptors?
a. A snake attacking its prey b. A dog smelling a neighbor grilling a steak c. A mosquito landing on a human’s arm d. A flatworm sensing a flash of light e. A flock of birds migrating to the Southern Hemisphere
Biology & Microbiology
The pharyngeal arches contribute to the formation of the ____
a. brain and spinal cord b. heart c. legs and arms d. lungs e. larynx and pharynx
Biology & Microbiology
The correct way to write the scientific name for humans is
A. Homo Sapiens. B. Homo sapiens. C. HOMO SAPIENS. D. Homo sapiens.
Biology & Microbiology