Mutualistic symbiotic relationship between anabaena and azolla

Azolla and the blue-green alga Anabaena azollae maintain a symbiotic relationship: the alga provides nitrogen to the fern, and the fern provides a habitat for the alga. This property of nitrogen fixation has made Azolla extremely important economically in the cultivation of rice. The Azolla-A. azollae symbiosis is the only known mutualistic symbiosis between a pteridophyte and a diazotrophic prokaryote. This association has gained. INTRODUCTION. The Azolla-Anabaena symbiosis is a mutualistic association between the water fern. Azolla, the nitrogen-fixing cyanobacterium Anabaena.

Ангел, подумал.

Ему захотелось увидеть ее глаза, он надеялся найти в них избавление. Но в них была только смерть.

Akinete parte 1