Question

B. Fill in the blanks
1 Autotrophic plants are also called
guards the opening and closing of stomata
is an example of a nitrogen-fixing bacterium
plant has the biggest and the heaviest flower.
carries water and minerals from the root to
the leaves of plants​

Answer 1

Answer:

nitrogen fixation

Explanation:

nitrogen is an important macronutrient because it is a part of nucleic acid protein atmospheric nitrogen is diatomic molecule in two or three nitrogen is the largest pool of nitrogen is terrestrial ecosystem