The ocean garden is home to meadows of ancient sea grass, bioluminescent plankton, and algae that looks like eyeballs! From microscopic diatoms to giant kelp, these fascinating underwater oddities are essential to life on Earth. Learn what makes some marine plants, plankton, and algae so unusual through exciting text, captivating photos, and highly repeatable fun facts. A back matter element features a scientist studying these unusual ocean-dwellers. Are you ready for underwater oddities?