Depending on what you've been learning in bio so far, the glucose is used in a process called glycolysis, which basically turns the glucose into ATP (Energy) which the cell can use.
As you can see in the image presented below, there are three levels of biodiversity.
The ecological biodiversity considers the various types of habitats and environmental conditions.
The species diversity studies a number of different species and their interactions.
The genetic diversity presents the diversity of the genetic material within the populations and the advantages that this diversity brings.
Global warming
The increase of greenhouse gases result into global warming :)
I know that b is one of them