What fruit type is typical of the Portulacaceae?
What is Ethnobotany?
Describe three unusual features of flowers in Asclepias.
How did flowers attract insects?
How does a flowering plant feed itself ?
From which plant or tree is essence of vanilla obtained?
What is Electrophoresis?
what is the species name of the peyote cactus?
James Lovelock suggests it is possible to synthesize food from air, water, carbon dioxide and nutrients using an input of energy from a nuclear power station. What would be the chemistry of this process.
Do plants in photosynthesis remove more CO2 from the atmosphere than they release during respiration at night?
what are the chemical constituents of the plant Cucumis prophetarum?
Does oxygen and hydrogen map up water?
What is cocoa ?