Two species mate but their offspring die before reaching adulthood. A more efficient way to prevent interbreeding would be to have incompatible genitals.
a. true
b. false
Answer: a. true
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An organism that obtains its carbon from CO2 is a (an)
a. autotroph. b. auxotroph. c. heterotroph. d. chemotroph. e. phototroph.
Males with Klinefelter syndrome lack a Barr Body._______ Indicate whether the statement is true or false
Which of the following will not increase the rate of transpiration in a plant?
A. high humidity B. low humidity C. high wind speeds D. high temperature E. All answers are correct.
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. the roller coaster car going up the first hill C. climbing into the car D. pulling down the harness