Tripneustes ventricosus (Lamarck), tropical eastern and western Atlantic, found at depths of 0–55 m (0–180 ft). (From G. Hendler et al., Sea Stars, Sea Urchins and Allies: Echinoderms of Florida and the Caribbean, Smithsonian Press, Washington, DC,…
A pyramid from Aristotle's lantern, showing epiphyses joined and tooth with keel. (After H. L. Hawkins, The lantern and girdle of some Recent and fossil Echinoidea, Philos. Trans. R. Soc. Lond. Ser. B, 223:617–649, 1934)
Average composition of the United States diet dry weight per capita per day. Prior sanctioned substances were specifically approved by FDA or USDA for use in food prior to the passage of the Food Additives Amendment in 1958.
Typical high-temperature extrusion process for production of a meat or seafood analog. (After O. B. Smith, in L. D. Hill, ed., Textured Vegetable Proteins, World Soybean Research, Interstate Printers and Publishers, 1976)