Prokaryotes are now divided into the:

a) archaea and cyanobacteria

b) bacteria and cyanobacteria

c) archaebacteria and eubacteria

d) autotrophs and heterotrophs

Monitor and apply fix up strategies

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration