[单选题]
1. Which of the following can exhih 6 w5g(m6b1bknz;u nhbw s0.)jad6, 7jx nc/yi m,ptfpit biodiversity?
I. The genome of a species.
II. The morphology of a species.
III. An ecosystem.
IV. A population.
A. All of the above
B. I, II and III only
C. II, III and IV only
D. I and IV only