One: Use pencil to outline a biomorphic shape with in a shape, then fill in the center with dark repetitive cursive marks. Repeat the process for the outer layer but only lighter in tone.
Two: Choose three colors and watercolor 5 biomorphic shapes. Let dry. Using a sharpie, unify the colored shapes with organic and soft patterns.
Three: Choose a seed pod from the examples and do a complete detail drawing from your observation of the example.