Which of the following is an autotroph?
A) human
B) mushroom
C) pine tree
D) fish
C
You might also like to view...
The transformation frequency of very competent cells is about 10-6, or about 1 in 1,000,000 when an excess of DNA is used.
Answer the following statement true (T) or false (F)
If you hold a stethoscope to your chest, you can hear the familiar "lub-dupp" sound of your heart in action. The "lub" you hear is
A. closing of the AV valves. B. closing of the semilunar valves. C. closing of the foramen ovale. D. atrial contraction. E. stretching of the aorta.
Which of the following is not exhibited by a polygamous mating system?
A. The male will kill offspring if they interfere with mating. B. The females provide care for their offspring. C. The male mates with numerous females. D. The females provide food for their offspring. E. The male defends vulnerable offspring.
The attenuated oral poliovirus vaccine, (OVP), is no longer administered in the U.S.A. because it
A) is very toxic. B) does not provide good immunity. C) can revert to wild-type virulence. D) can be spread to contacts. E) can be spread to contacts and can revert to wild-type virulence.