The earliest pollinators of flowers were probably __________ that visited flowers to chew on the
petals and leaves.
a. mice
b. bees
c. beetles
d. grasshoppers
e. earwigs
C
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It is summer, and you are excited about going to your local amusement park, and specifically about riding the new roller coaster that was just built. You imagine waiting at the top of the stairs for the roller coaster to pull into the station, climbing into the car, strapping yourself into the seatbelt, and pulling down the harness. You can imagine the cars slowly chugging up to the top of the first hill, coming down on the other side, and the excitement you expect to feel as you go along for the ride. Of all of the things that you have imagined, which is an example of potential energy?
A. Waiting at the top of the stairs for the roller coaster to pull into the station B. Climbing into the car C. Pulling down the harness D. The roller coaster car going up the first hill
Answer the question using the accompanying figure. At which point in this action potential diagram does the K+
channel close to stabilize the membrane potential?
a. A b. B c. C d. D e. E
Triglycerides contain:
a. fatty acids only b. phosphate only c. glycerol only d. fatty acids and phosphate e. glycerol and fatty acids
How do calcareous green and red algae contribute to the reef building process?
What will be an ideal response?