The meristematic tissues is responsible for growth in angiosperms.
The three factors are temperature, moisture, and air pressure
It would be any mutation of the DNA or mRNA mutations in sequences that control the cell cycle because mutations are caused for an error in DNA since DNA contains all your traits and genes.
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Answer: The symbiotic nitrogen-fixing bacteria invade the root hairs of host plants, where they multiply and stimulate formation of root nodules, enlargements of plant cells and bacteria in intimate association. Within the nodules the bacteria convert free nitrogen to ammonia, which the host plant utilizes for its development.
