During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.
Answer:
Removal of plants, and invasive species.
Explanation:
Crossing over and individual chromosone assortment
But the many-celled algae, make their food by photosynthesis. Plants have complex, multi-cellular reproductive systems and might need wind, birds, or bugs for pollination. Algae can reproduce through tiny spores or even by replication or the growth of broken piec