When Mark Friedman walked up to our booth at the recent CSTA annual conference in October and shared that he’d been using Shape of Life classroom resources for 13 years, we had no idea the degree of great work he had accomplished using our resources.
You see, Mark doesn’t just teach science– he creates a world where his personal dedication to social justice and equality is applied to the success of inner-city high school students in one of the nation's most challenged regions of LA. Kids who wouldn’t ordinarily be exposed to the wonders of marine biology have a whole world opened to them because of Mark’s belief in the power of education. And, the fact that Shape of Life plays any role in this endeavor is beyond rewarding to us.
Dr. John Pearse has spent a lifetime studying the reproductive biology and ecology of sea stars and sea urchins. His doctoral work involved exploring the biology of marine invertebrates in the Antarctic, where he overwintered in 1961 then returned with his own students repeatedly in the 1980s. They found that the abundant and ecologically important Antarctic cushion star spawns in mid-winter to produce long-lived pelagic larvae that feed on bacteria and phytoplankton in the summer. Dr. Pearse has also conducted research in the Red Sea and tropical Pacific.
Giant Clams are in a Giant Jam!
Why Protecting Giant Clams is GIANT!
Giant clams are the largest bivalves on earth, as well as the largest in the fossil record. They are indeed giants: they can grow to four feet wide and weigh as much as 500 pounds. It’s the clam’s colorful mantle, often an iridescent blue, that’s easy to spot. The clams create that blue color to direct sunlight to the tiny algae – called zooxanthellae – that live within. Just as with corals, the algae produce nutrients for the clams. They also feed on plankton drifting by. Giant clams live on shallow coral reefs in the South Pacific and Indian oceans.
Unfortunately for the all the giant clam species, their meat is considered a delicacy in many places in Asia, and so some populations have disappeared while others are officially listed as Endangered or Vulnerable. Local island people who depend on the clams for food can’t find any. In a sad twist in today’s conservation challenges, the anti-poaching effects on the supply of elephant ivory has led to Chinese boats destroying coral reefs to harvest giant clams. There is a new market for their shells to replace elephant ivory for carving.
The history of the animals whose descendants would be the first to breathe air and live on land begins over half-a-billion years ago, when the earliest members of a group called arthropods branched off from their ancestral roots of primitive, bilateral animals. These creatures quickly became powerful hunters and scavengers and established patterns of adaptability and dominance that continue into the present.
It was great meeting you in Palm Springs at the California Science Teachers Association conference. Thanks for sharing how you use Shape of Life in your classroom.