sunlight, soil mineral content, humidity, soil moisture level, altitude.
Sylvania bulbs are related to plant growing, but in the sense that they are light bulbs used for growing plants rather than a type of bulb which you plant and grow.
the seed
Grass...
independent variables are the ones you change (how much watter to give the plant) dependent variables are the result (how tall the plant is) constant variables are ones that don't change (the type of plant)
The bamboo plant is the fastest growing woody plant.
It's a Petri dish.
An unwanted plant is a weed.
A species of chinese bamboo is the fastest growing plant in the world.
A cactus is really a growing plant.
Plant growing involve physical and chemical changes.
Seed
Plant's roots and tips.