Corals and sea anemones belong to the class Anthozoa. Its Greek name, “flower animals,” evokes their extraordinary colors and forms. Even the finest garden blooms have competition beneath the sea. Dive or snorkel over a coral reef and you enter a world crowded with life. Many reef-building corals thrive in clear, nutrient-poor water with help […]
Tag Archives: Life at the Extremes
While winter takes its time arriving in Israel, far to the north in the Arctic lives the world’s largest land predator: the polar bear. Its hollow hairs are translucent, but from a distance the coat looks white or cream. That appearance has earned it the name ‘white bear’ in many languages. Thick body fat and […]


