• The amazon region contains the largest body of fresh water and the largest rain forest in the world. It is home to at least 15,000 documented animal species, 8000 of which were new to biology when they were discovered. At least 40% of the world’s fresh water fish and 25% of the world’s bird species reside there.
• Most dinosaurs lived to be more than 100 years old.
• More than 99.9% of all animal species that have ever lived on the earth were extinct before the coming of man.
• The oldest living tree in the world is considered to be a bristiecone pine called methuselah. It is alive for over 4,700 years.
• Since plant cells have developed a rigid cell wall, the lost the ability to develop a nervous system, immune system and most importantly mobility
• Lipid soluble molecules enter the cell more rapidly than water soluble molecules
• At a body temperature, the consistency of lipid bilayer is that of olive oil. Fluidity of this lipid bilayer allows the cells to be pliable
• Human beings cannot digest cellulose of the plant cell wall, neither can be broken down by cooking, so the green leaves we take as food are not digested and they form the roughage. But cattles harbour cellulose digesting bacteria in their stomach who deigest the raw leaves they eat.