NCSU ES 100 Exam 1 latest questions and answers all are correct graded A+

the law of conservation of matter tells us that matter - can change form and be used repeatedly the distinction between and inorganic compound and and organic compound is that organic compounds contain - carbon the first law of thermodynamics and the law of conservation of matter are similar in that - under normal circumstances both energy and matter can change form but are not created or destroyed the second law of thermodynamics states that as energy moves through different forms and systems it gradually - dissipates and becomes unavailable environmental science is - a true science because it uses all components of the scientific method and a systematic study of our environment and our proper place in it photosynthesis produces sugars from - water carbon dioxide and solar energy the process of cellular respiration - releases energy for metabolism from chemical bonds of molecules such as glucose although there are exceptions, a species includes all organisms that are similar enough to - produce fertile offspring in nature dentrivores, scavengers and decomposers are all similar in that they - consume nonliving organic matter nitrogen is an essential component of - amino acids and proteins evolution occurs as a result of - better survival or higher reproduction rates by which individuals within a species that have a specific characteristicdarwins book, origin of species explained - survival of the fittest, geographical isolation, adaption and natural selection barrier islands are formed of - wind and wave deposited sand the thermocline is the layer in a lake at which - a thin layer of water where the warm upper zone meets the cold lower zone the most common reason that introduced species cause trouble is because they - disrupt preexisting niches exponential growth is represented by a _________ curve - J shaped logistic growth rates are those in which a population - grows rapidly when conditions are good, then slows as it approaches carrying capacity historical evidence shows that plagues and diseases - cause only minor or temporary setbacks in global population growth trends human population growth most closely resembles - J shaped growth curve women who _________ are least likely to have many children - are able to earn an income for themselves the worlds population is now more than - 6 billion living vegetation and the ocean are known as carbon sinks because - they accumulate and store carbona keystone species is a species whose presence - influences the population size of many other species in its community an ecosystem consists of - a biological community and its physical environment which of the following is a pioneer species - lichens