The answer is A - second growth forest. Growth of a new forest after it has been harvested or regrown after a disturbance (natural disaster)
An old growth forest is a primary succession type of forest. The trees are very old and stable. Primitive forests.
After Santiago slaughters the immense marlin in The Old Man and the Sea, by Ernest Hemingway, he lashes it to the side of his watercraft. The fish is eighteen feet long, longer than the watercraft, and Santiago knows he won't make great time going home in light of the additional weight and clumsiness of the fish. He doesn't get much of anywhere before the principal sharks strike the fish.
Answer:
The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism. It also helps to regulate pH of the blood. Respiration is the sequence of events that results in the exchange of oxygen and carbon dioxide between the atmosphere and the body cells.
Archaea have more complex RNA polymerases than Bacteria, similar to Eucarya. Unlikebacteria, archaea cell walls do not contain peptidoglycan. Archaeahave different membrane lipid bonding from bacteria and eukarya. There are genetic differences