Christy Mathewson (MLB HOF) played Pro Football from 1898-1902. More than two-thirds of the athletes who played at the top level of both sports did so in the early years of the NFL during the 1920s and 1930s.
Marine Terraces Marine terraces are formed by coastal erosion and reflect the history of the rise and fall of sea level over time. However, marine terraces are only found along coastlines where the land is rising. In areas where the land is sinking they are submerged or buried by younger sediments.
Seaweeds: Macroscopic Reef Algae. Large, multicellular forms of marine algae are commonly called  seaweeds . These algal forms are widely distributed within coral reef ecosystems, where they occur as one of three main types based on color: green, red, and brown.Three main types of seaweeds: green (left), brown (middle), and red (right).eagrasses are most often found in shallow, sheltered marine or estuarine waters. They are the only type of true plant to successfully colonize the sub-tidal sea. The distribution of seagrasses within coral reef systems is restricted to the protected waters of the lagoon (back reef).