Which of the following is a vascular plant? A. gametophyte
B. bryophyte
C. tracheophyte
D. sporophyte

1.the evidene of the reaction

2.yes

3.yes

a community that experiences major changes undergoes progress

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.