Most of our early knowledge about the brain came from: A. naturalistic observation of primates. B. naturalistic observation of children in different cultures. C. case studies of brain damaged individuals. D. case studies of normal individuals.
Coral reef definition: A coral reef is a long narrow mass of coral and other substances, the top of which is... | Meaning, pronunciation, translations and examples English Dictionary | Thesaurus | Translator | Grammar | Scrabble | Blog
Artificial reefs and reef restoration. What is a reef? For review, a reef is a bar of sand, rock, coral, or similar material lying below the surface of a body of water. Most people immediately think coral reef when they hear the word reef, but there are many other types of reef. The below images show an oyster reef and a coral reef.