Heterocyst-forming cyanobacteria differentiate highly specialized cells to provide fixed nitrogen to the vegetative cells in a filament. In the presence of a source of combined nitrogen such as nitrate or ammonium, Anabaena PCC 7120 grows as long filaments containing hundreds of photosynthetic vegetative cells.
Answer - They can threaten the biodiversity of native.
Reason - Reason being they can threaten to the native is due to the invasive, reproduction, no predator to kill. Which leads to economic problems and environmental issues. :)
Answer:
they were destroyed especially the houses because of how close they are build to the sea, in addition with the fact that the sea levels are rising
Explanation:
