A member of the sedge family, saw grass has long, tough, sharp-toothed leaves. SCAT Scat means animal waste or droppings. On junipers, scale-like leaves overlap and cover the twigs. SEA WEED Seaweed is a type of aquatic organisms that obtain their energy via photosynthesis . They are not true plants .
Seaweeds are usually green, brown, or red.
In seed plants , secondary growth produces bark and wood. Most fossils are found in exposed sedimentary rock. The seed is the reproductive unit of some plants . The seed coat is a protective layer covering the seed. The seed coat is formed from the two integuments in the developing seed.