How did flowers attract insects?
In cleared and stained root material you have seen structures that appear to be empty sacs in the epidermal cells with ostioles that exit to the soil. Which division are these fungi likely to be from?
What is hydroponics?
Donnan's equilibrium?
Would it be possible to cross-breed two herbs, such as thyme and sage?
what is composite flower?
what are plant flavanoids?
What is the characteristic inflorescence of the family Asteraceae ?
How can the algae be cultured?
What is Photosynthesis?
what the association between blue-green algae and fungi is called?
Do flowers typically have an even or odd number of petals?
plants release O2 only during daytime but respire 24 hrs giving out CO2 but are said to purify air? How?