Poaceae groups, using the C3 and C4 photosynthetic pathways for carbon fixation. The C4 grasses have a photosynthetic pathway, linked to specialized Kranz leaf anatomy, which allows for increased water use efficiency, rendering them better adapted to hot, arid environments and those lacking in carbon dioxide. The C3 grasses are referred to as "cool-season" grasses, while the C4 plants are considered "warm-season" grasses. The grass family is one of the most widely distributed and abundant groups of plants on Earth. Grasses are found on every continent, including Antarctica with the presence of Antarctic hair grass on the Antarctic Peninsula. Grasses are
Should've Known Better (Richard Marx song) lyrics, the speaker is still in love with an ex-lover and tortured by it, to the point of regretting falling in love with them. The music video for the selection was directed by Dominic Sena. Released in September 1987 as the second single from his debut solo album, "Should've Known Better" entered the U.S. "Billboard" Hot 100 on September 26, 1987 at number 64, the highest debut of the week. The single also peaked at number 20 on the U.S. Adult Contemporary chart. The song also reached #4 on the Radio & Records CHR/Pop Airplay chart on November 20, 1987