Pollen- This here is a picture of a dandelion it has some little pollen particles still left on it.

 Seed dispersal- These seeds were found under my tree in my yard. the tree seems to be sprouting so I'm guessing these were dropped by the storm the night before from the wind or water.

 Heterotroph- Also known as an organism that is unable to synthesize its own organic carbon-based compounds from inorganic sources, hence, feeds on organic matter produced by, or available in, other organisms. Birds are included in this category. 

 Lipid- Are known as any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents. They include many natural oils, waxes, and steroids also a common example is butter.

Bilateral Symmetry- When something is identical if it is divided in half. This flower here may not look like it but it has bilateral symmetry.