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
My Dad Is Better Than Your Dad from a heart attack, as teaser trailers show him being rushed from the Sony studios to an ambulance. According to the rules, if a father or child is unable to compete, a replacement family takes their place. The replacement family was the Gavero Family. My Dad Is Better Than Your Dad My Dad Is Better Than Your Dad was a reality sports TV show on NBC that premiered on February 18, 2008. The show was produced by Mark Burnett, producer of other shows like "Survivor", "The Apprentice", and "Are You Smarter Than a 5th Grader?", and was hosted by actor