EVR 1001, questions with accurate answers. 100% proven pass rate. 2023

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EVR 1001, questions with accurate answers. 100% proven pass rate. 2023 A scientific hypothesis - ✔✔is really just an educated guess at the answer to a question. A group of individuals of t... he same species that live and interbreed in the same area are referred to as - ✔✔Population Which of the following characteristics is known to make a species more vulnerable to extinction? - ✔✔lacking genetic diversity The major force(s) causing the genetic divergence of the two populations is/are: - ✔✔mutation and natural selection An explanation for a natural phenomenon that relates and explains many observations and is supported by a great deal of evidence is called a: - ✔✔Theory Which of the following examples describes the S-shaped curve, exhibiting a population that grows rapidly but eventually reaches a constant population? - ✔✔Logistic growth curve Which of the following is true? - ✔✔Species on Earth today are but a fraction of all species that ever lived Which of the following is the correct sequence of steps, from beginning to end, in the Scientific Method? - ✔✔observations -> hypothesis -> controlled experiment -> conclusions Scientists have adopted the Scientific Method as their standard procedure for answering questions about natural phenomena. They have relied on this technique because: - ✔✔following a standardized procedure allows a scientist to compare his/her data with the results of other scientists Endemic species ______. - ✔✔are found only in one place on the planet The human population growth currently is labeled as a logistic growth curve. This type of growth curve is characterized as: - ✔✔an S-shaped curve that shows rapid growth The functional role of a species in its community is its _________. - ✔✔Niche Which of the following are properties of populations? - ✔✔Birth Rate Death Rate Abundance Age Structure Which of the following refers to the process by which and earlier-successional species changes the local environment in ways that make it suitable for another species? - ✔✔facilitation Declining population growth rate following rapid growth is characteristic of - ✔✔the "demographic transition" The statement, "hiking up a mountain in the southwestern United States is like walking from Mexico to Canada," is meant to demonstrate that ________ change(s) rapidly as you change altitude and latitude. - ✔✔Biomes The human population of the United States has increased over the last few hundred years due to all of the following reasons except: - ✔✔the age of first childbirth has increased When considering doubling time of human population, the following statement is TRUE: - ✔✔It is calculated by dividing the annual growth rate into 70 What happens when a population substantially exceeds its carrying capacity? - ✔✔Overshoot and collapse Nitrogen has a very high concentration in the atmosphere and is cycled very slowly into and out of the atmosphere. Water vapor has a lower concentration in the atmosphere and is cycled quite rapidly. What statement is true: - ✔✔Nitrogen has a higher residence time in the atmosphere than water vapor A forest that has developed on a new lava flow is an example of: - ✔✔Primary succession Which of the following is incorrectly paired? - ✔✔species dominance: the most aggressive species What term defines the steady state that all natural systems move towards without influence of people. - ✔✔Dynamic equilibrium Which organism in this food chain of a hot spring ecosystem in Yellowstone National Park is the autotroph? Algae -> herbivorous flies -> killdeer birds -> grey wolves -> decomposing bacteria - ✔✔algae Which statement is FALSE? - ✔✔Species with large bodies, slow population growth rates, and flocking behavior are the least vulnerable to human exploitation The number of species in a given habitat is affected by which of the following? - ✔✔Latitude Elevation Topography severity of the environment Which Statement is False? - ✔✔Composting increases organic waste [Show More]

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