This is a huge area of discussion, therefore, you must be in truth selective of your topic, and write succinctly and to the point. For example, you may motivation to bring the theme of reproductive strategies of fishes, amphibians, reptiles, birds, and mammals, or you may adopt travel, environmental varyations, etc etc etc - the list is endless. I am elicit in reading your specific interest in evolutionary biology. Throughout the millions of historic period of evolutionary progress, the human being, a mammal of great ground came to be. But, it wasnt always that way, from the Cambrian times forward, we have been evolving, species by species, through with(predicate) the ability to physic whollyy, physiologically, and behaviorally change and adapt to the environment around us. As the environment changed from hot to cold, sealed to dry, so did the species that lived in those areas. For those who could non adapt in their environment, they either go on or died. Through the ages, we went from jawless and cartilaginous fishes all the way to amphibians, reptiles, birds, mammals, and at long last to human beings. The landed estate experienced its first craniate in the Cambrian times. These vertebrate animals were of two different kinds of fishes, some with jaws and others without. Of the jawless fishes, we have ostracoderms, a small fish with a notochord and a cavity for the brain. Their bodies contained dentin, a material found in teeth today. Thus, we have a marker for the long evolutionary explode through register! The ostracoderms were simply bottom feeders, living in complete immersion of water, eating and nourishing themselves through filters. They win food by attaching themselves to the food and eating from it in a filter-like method of suction the food down and digesting it from there. The lamprey and the beldame had a rummy way... If you want to get a panoptic essay, order it on our web site: OrderCustomPaper.com
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