Only six years old at the time, I was at first put off by these garish plants ... a nutritious fluid flowers provide as a type of trading commodity in exchange for pollen dispersal.

Lungs Site of gas exchange Pancreas Contains cells that monitor and help maintain the concentration of glucose in the blood. Other cells in the pancreas can produce digestive enzymes and release ...

This type of species interaction involves the exchange of goods or services ... For example, the mutualistic interactions between flowering plants and their animal pollinators (Figure 1) are ...