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In what ways are trees helpful to humans?
what does prothallial cells do?
Why do organisms live in certain places?
Amensalism means?
Why do some plants like Malva moschata seed themselves all over the garden, while others just sulk?
what are the membranes does a water molecule pass between the soil and a vacuole in a mesophyll cell?
At which growth stage of wheat maximum biological nitrogen fixation occurs?
what non-conifer trees can be used at 7000 foot elevation where spruce and pine grew before the pine beetle?
what is the relationship between soil pH and base saturation capacity?
Is there a link between Chlorophyll A & B and Photosynthesis 1& 2?
What is the botanical name for the horizontal stems that allow a plant to spread underground?
where do plants get carbon from and where does the carbon go when plants die?
what is the reproductive cycle of non flowering plants?
In plants, this naturally occurring auxin has the abbreviation iaa:
How to take a poison from oleander?