1.3ATP
2.h2o
3.symplast
4.c4pathway
5.halophytes
6.remain stable
7.none(oxidative decarboxylation)
8.two hydrogen bond
9.zygotene
10.locus
11.9:3:3:1
12.pleiotrophy
13.1909
14.darwin
15.mutualism
16.habitat
17.grassland
18.all of these
20.succession