This 28 piece set could be used to create a variety of science resources. Included are products made from algae, algae as the base of aquatic food webs (pond), different types (kelp, marimo, chlorella, chlamydomonas), and examples of symbiosis (zooxanthellae in coral, lichen, and a photosynthetic sea slug)
The set includes 14 PNG color illustrations, and 14 PNG blackline/grayscale versions of the same illustrations. These are high resolution (300 dpi) transparent background PNG files. No wate